121001231010 has 32 divisors (see below), whose sum is σ = 316803223872. Its totient is φ = 29333631680.

The previous prime is 121001230993. The next prime is 121001231023. The reversal of 121001231010 is 10132100121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183334869 + ... + 183335528.

It is an arithmetic number, because the mean of its divisors is an integer number (9900100746).

Almost surely, 2^121001231010 is an apocalyptic number.

121001231010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121001231010 is an abundant number, since it is smaller than the sum of its proper divisors (195801992862).

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

121001231010 is a wasteful number, since it uses less digits than its factorization.

121001231010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366670418.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 121001231010 its reverse (10132100121), we get a palindrome (131133331131).

The spelling of 121001231010 in words is "one hundred twenty-one billion, one million, two hundred thirty-one thousand, ten".