121120201112210 has 16 divisors (see below), whose sum is σ = 218016718347456. Its totient is φ = 48448001257008.

The previous prime is 121120201112203. The next prime is 121120201112219. The reversal of 121120201112210 is 12211102021121.

It is a super-2 number, since 2×121120201112210² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121120201112219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3262622 + ... + 15902361.

It is an arithmetic number, because the mean of its divisors is an integer number (13626044896716).

Almost surely, 2^{121120201112210} is an apocalyptic number.

121120201112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121120201112210 is a deficient number, since it is larger than the sum of its proper divisors (96896517235246).

121120201112210 is a wasteful number, since it uses less digits than its factorization.

121120201112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19796977.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121120201112210 its reverse (12211102021121), we get a palindrome (133331303133331).

The spelling of 121120201112210 in words is "one hundred twenty-one trillion, one hundred twenty billion, two hundred one million, one hundred twelve thousand, two hundred ten".