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112202121020 = 225111932642537
BaseRepresentation
bin110100001111111000…
…1000111111100111100
3101201121120002022111212
41220133301013330330
53314242220333040
6123313412503552
711051321202233
oct1503761077474
9351546068455
10112202121020
1143648199240
12198b431abb8
13a7717c1ab2
145605853b1a
152dba5d2d65
hex1a1fc47f3c

112202121020 has 48 divisors (see below), whose sum is σ = 258376795488. Its totient is φ = 40589352960.

The previous prime is 112202121019. The next prime is 112202121023. The reversal of 112202121020 is 20121202211.

It is a super-2 number, since 2×1122021210202 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112202120986 and 112202121004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112202121023) 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, 1278809 + ... + 1363728.

It is an arithmetic number, because the mean of its divisors is an integer number (5382849906).

Almost surely, 2112202121020 is an apocalyptic number.

112202121020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112202121020 is an abundant number, since it is smaller than the sum of its proper divisors (146174674468).

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

112202121020 is a wasteful number, since it uses less digits than its factorization.

112202121020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2642750 (or 2642748 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 112202121020 its reverse (20121202211), we get a palindrome (132323323231).

The spelling of 112202121020 in words is "one hundred twelve billion, two hundred two million, one hundred twenty-one thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 193 220 386 772 965 1930 2123 3860 4246 8492 10615 21230 42460 2642537 5285074 10570148 13212685 26425370 29067907 52850740 58135814 116271628 145339535 290679070 510009641 581358140 1020019282 2040038564 2550048205 5100096410 5610106051 10200192820 11220212102 22440424204 28050530255 56101060510 112202121020