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112021101020 = 2255601055051
BaseRepresentation
bin110100001010011111…
…0100101100111011100
3101201010221110112202102
41220110332211213130
53313404400213040
6123243424544232
711043662435153
oct1502476454734
9351127415672
10112021101020
1143564a9a234
1219863782078
13a74315187a
1455c97b259a
152da9777515
hex1a14fa59dc

112021101020 has 12 divisors (see below), whose sum is σ = 235244312184. Its totient is φ = 44808440400.

The previous prime is 112021101013. The next prime is 112021101047. The reversal of 112021101020 is 20101120211.

It is a junction number, because it is equal to n+sod(n) for n = 112021100992 and 112021101010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2800527506 + ... + 2800527545.

It is an arithmetic number, because the mean of its divisors is an integer number (19603692682).

Almost surely, 2112021101020 is an apocalyptic number.

112021101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112021101020 is an abundant number, since it is smaller than the sum of its proper divisors (123223211164).

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

112021101020 is a wasteful number, since it uses less digits than its factorization.

112021101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5601055060 (or 5601055058 counting only the distinct ones).

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

Adding to 112021101020 its reverse (20101120211), we get a palindrome (132122221231).

The spelling of 112021101020 in words is "one hundred twelve billion, twenty-one million, one hundred one thousand, twenty".

Divisors: 1 2 4 5 10 20 5601055051 11202110102 22404220204 28005275255 56010550510 112021101020