121100512010 has 32 divisors (see below), whose sum is σ = 231468580800. Its totient is φ = 45459373312.

The previous prime is 121100512003. The next prime is 121100512031. The reversal of 121100512010 is 10215001121.

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, 967460 + ... + 1085439.

It is an arithmetic number, because the mean of its divisors is an integer number (7233393150).

Almost surely, 2^121100512010 is an apocalyptic number.

121100512010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121100512010 is a deficient number, since it is larger than the sum of its proper divisors (110368068790).

121100512010 is a wasteful number, since it uses less digits than its factorization.

121100512010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053270.

The product of its (nonzero) digits is 20, while the sum is 14.

Adding to 121100512010 its reverse (10215001121), we get a palindrome (131315513131).

The spelling of 121100512010 in words is "one hundred twenty-one billion, one hundred million, five hundred twelve thousand, ten".