121120011210 has 64 divisors (see below), whose sum is σ = 317298695040. Its totient is φ = 29345345280.

The previous prime is 121120011209. The next prime is 121120011241. The reversal of 121120011210 is 12110021121.

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, 465996 + ... + 677784.

It is an arithmetic number, because the mean of its divisors is an integer number (4957792110).

Almost surely, 2^121120011210 is an apocalyptic number.

121120011210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121120011210 is an abundant number, since it is smaller than the sum of its proper divisors (196178683830).

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

121120011210 is a wasteful number, since it uses less digits than its factorization.

121120011210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213543.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 121120011210 its reverse (12110021121), we get a palindrome (133230032331).

The spelling of 121120011210 in words is "one hundred twenty-one billion, one hundred twenty million, eleven thousand, two hundred ten".