121120200210101 has 16 divisors (see below), whose sum is σ = 130075345895040. Its totient is φ = 112428922132800.

The previous prime is 121120200210059. The next prime is 121120200210151. The reversal of 121120200210101 is 101012002021121.

It is a de Polignac number, because none of the positive numbers 2^k-121120200210101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121120200210151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80192750 + ... + 81689151.

It is an arithmetic number, because the mean of its divisors is an integer number (8129709118440).

Almost surely, 2^{121120200210101} is an apocalyptic number.

It is an amenable number.

121120200210101 is a deficient number, since it is larger than the sum of its proper divisors (8955145684939).

121120200210101 is a wasteful number, since it uses less digits than its factorization.

121120200210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161882716.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121120200210101 its reverse (101012002021121), we get a palindrome (222132202231222).

The spelling of 121120200210101 in words is "one hundred twenty-one trillion, one hundred twenty billion, two hundred million, two hundred ten thousand, one hundred one".