101011220232 has 192 divisors, whose sum is σ = 286347156480. Its totient is φ = 29623815936.

The previous prime is 101011220207. The next prime is 101011220257. The reversal of 101011220232 is 232022110101.

It is an interprime number because it is at equal distance from previous prime (101011220207) and next prime (101011220257).

It is a super-2 number, since 2×101011220232² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28637653 + ... + 28641179.

It is an arithmetic number, because the mean of its divisors is an integer number (1491391440).

Almost surely, 2^101011220232 is an apocalyptic number.

101011220232 is a gapful number since it is divisible by the number (12) 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 101011220232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143173578240).

101011220232 is an abundant number, since it is smaller than the sum of its proper divisors (185335936248).

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

101011220232 is a wasteful number, since it uses less digits than its factorization.

101011220232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3892 (or 3875 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 101011220232 its reverse (232022110101), we get a palindrome (333033330333).

The spelling of 101011220232 in words is "one hundred one billion, eleven million, two hundred twenty thousand, two hundred thirty-two".