201102000020121 has 32 divisors (see below), whose sum is σ = 276640170750720. Its totient is φ = 129849682231296.

The previous prime is 201102000020093. The next prime is 201102000020147. The reversal of 201102000020121 is 121020000201102.

It is not a de Polignac number, because 201102000020121 - 2¹⁸ = 201101999757977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201102000020097 and 201102000020106.

It is not an unprimeable number, because it can be changed into a prime (201102000020161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40109500 + ... + 44843906.

It is an arithmetic number, because the mean of its divisors is an integer number (8645005335960).

Almost surely, 2^{201102000020121} is an apocalyptic number.

It is an amenable number.

201102000020121 is a deficient number, since it is larger than the sum of its proper divisors (75538170730599).

201102000020121 is a wasteful number, since it uses less digits than its factorization.

201102000020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4736193.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201102000020121 its reverse (121020000201102), we get a palindrome (322122000221223).

The spelling of 201102000020121 in words is "two hundred one trillion, one hundred two billion, twenty thousand, one hundred twenty-one".