10011221011232 has 48 divisors (see below), whose sum is σ = 22581420164352. Its totient is φ = 4279823692800.

The previous prime is 10011221011229. The next prime is 10011221011237. The reversal of 10011221011232 is 23211012211001.

It is a happy number.

It is a super-2 number, since 2×10011221011232² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10011221011232.

It is not an unprimeable number, because it can be changed into a prime (10011221011237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55637048 + ... + 55816695.

It is an arithmetic number, because the mean of its divisors is an integer number (470446253424).

Almost surely, 2^{10011221011232} is an apocalyptic number.

It is an amenable number.

10011221011232 is an abundant number, since it is smaller than the sum of its proper divisors (12570199153120).

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

10011221011232 is a wasteful number, since it uses less digits than its factorization.

10011221011232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111454161 (or 111454153 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 10011221011232 its reverse (23211012211001), we get a palindrome (33222233222233).

The spelling of 10011221011232 in words is "ten trillion, eleven billion, two hundred twenty-one million, eleven thousand, two hundred thirty-two".