121020111232 has 32 divisors (see below), whose sum is σ = 241113489480. Its totient is φ = 60505353216.

The previous prime is 121020111217. The next prime is 121020111257. The reversal of 121020111232 is 232111020121.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-3 number, since 3×121020111232³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 2100603 + ... + 2157445.

Almost surely, 2^121020111232 is an apocalyptic number.

It is an amenable number.

121020111232 is a deficient number, since it is larger than the sum of its proper divisors (120093378248).

121020111232 is an equidigital number, since it uses as much as digits as its factorization.

121020111232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73490 (or 73478 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 121020111232 its reverse (232111020121), we get a palindrome (353131131353).

The spelling of 121020111232 in words is "one hundred twenty-one billion, twenty million, one hundred eleven thousand, two hundred thirty-two".