202201012100121 has 16 divisors (see below), whose sum is σ = 269665952548608. Its totient is φ = 134768376288000.

The previous prime is 202201012100089. The next prime is 202201012100141. The reversal of 202201012100121 is 121001210102202.

It is not a de Polignac number, because 202201012100121 - 2⁵ = 202201012100089 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 202201012100121.

It is not an unprimeable number, because it can be changed into a prime (202201012100141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268319760 + ... + 269072286.

It is an arithmetic number, because the mean of its divisors is an integer number (16854122034288).

Almost surely, 2^{202201012100121} is an apocalyptic number.

It is an amenable number.

202201012100121 is a deficient number, since it is larger than the sum of its proper divisors (67464940448487).

202201012100121 is a wasteful number, since it uses less digits than its factorization.

202201012100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773872.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 202201012100121 its reverse (121001210102202), we get a palindrome (323202222202323).

The spelling of 202201012100121 in words is "two hundred two trillion, two hundred one billion, twelve million, one hundred thousand, one hundred twenty-one".