121100112012010 has 32 divisors (see below), whose sum is σ = 221695373649600. Its totient is φ = 47614603557120.

The previous prime is 121100112012007. The next prime is 121100112012037. The reversal of 121100112012010 is 10210211001121.

It is a happy number.

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, 3173215 + ... + 15882994.

It is an arithmetic number, because the mean of its divisors is an integer number (6927980426550).

Almost surely, 2^{121100112012010} is an apocalyptic number.

121100112012010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121100112012010 is a deficient number, since it is larger than the sum of its proper divisors (100595261637590).

121100112012010 is a wasteful number, since it uses less digits than its factorization.

121100112012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19067046.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 121100112012010 its reverse (10210211001121), we get a palindrome (131310323013131).

The spelling of 121100112012010 in words is "one hundred twenty-one trillion, one hundred billion, one hundred twelve million, twelve thousand, ten".