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11120211020 = 2251740979967
BaseRepresentation
bin10100101101101000…
…01111010001001100
31001200222122020202102
422112310033101030
5140233233223040
65035240414232
7542366143202
oct122664172114
931628566672
1011120211020
114797084146
1221a4177378
131082ac6629
14776c43072
154513d7515
hex296d0f44c

11120211020 has 48 divisors (see below), whose sum is σ = 24786881280. Its totient is φ = 4176144384.

The previous prime is 11120211013. The next prime is 11120211023. The reversal of 11120211020 is 2011202111.

It is a junction number, because it is equal to n+sod(n) for n = 11120210992 and 11120211010.

It is not an unprimeable number, because it can be changed into a prime (11120211023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99077 + ... + 179043.

It is an arithmetic number, because the mean of its divisors is an integer number (516393360).

Almost surely, 211120211020 is an apocalyptic number.

11120211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11120211020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12393440640).

11120211020 is an abundant number, since it is smaller than the sum of its proper divisors (13666670260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11120211020 is a wasteful number, since it uses less digits than its factorization.

11120211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80402 (or 80400 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11120211020 its reverse (2011202111), we get a palindrome (13131413131).

The spelling of 11120211020 in words is "eleven billion, one hundred twenty million, two hundred eleven thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 409 818 1636 2045 4090 6953 8180 13906 27812 34765 69530 79967 139060 159934 319868 399835 799670 1359439 1599340 2718878 5437756 6797195 13594390 27188780 32706503 65413006 130826012 163532515 327065030 556010551 654130060 1112021102 2224042204 2780052755 5560105510 11120211020