121333013010 has 48 divisors (see below), whose sum is σ = 344144548800. Its totient is φ = 29414063520.

The previous prime is 121333012979. The next prime is 121333013027. The reversal of 121333013010 is 10310333121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61278310 + ... + 61280289.

It is an arithmetic number, because the mean of its divisors is an integer number (7169678100).

Almost surely, 2^121333013010 is an apocalyptic number.

121333013010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121333013010 is an abundant number, since it is smaller than the sum of its proper divisors (222811535790).

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

121333013010 is a wasteful number, since it uses less digits than its factorization.

121333013010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122558623 (or 122558620 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 121333013010 its reverse (10310333121), we get a palindrome (131643346131).

The spelling of 121333013010 in words is "one hundred twenty-one billion, three hundred thirty-three million, thirteen thousand, ten".