121021331113032 has 128 divisors (see below), whose sum is σ = 356937427968000. Its totient is φ = 33461354534400.

The previous prime is 121021331112971. The next prime is 121021331113049. The reversal of 121021331113032 is 230311133120121.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 121021331112993 and 121021331113011.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 250372719 + ... + 250855617.

It is an arithmetic number, because the mean of its divisors is an integer number (2788573656000).

Almost surely, 2^{121021331113032} is an apocalyptic number.

121021331113032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121021331113032 is an abundant number, since it is smaller than the sum of its proper divisors (235916096854968).

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

121021331113032 is a wasteful number, since it uses less digits than its factorization.

121021331113032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531067 (or 531063 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 121021331113032 its reverse (230311133120121), we get a palindrome (351332464233153).

The spelling of 121021331113032 in words is "one hundred twenty-one trillion, twenty-one billion, three hundred thirty-one million, one hundred thirteen thousand, thirty-two".