202121002101122 has 16 divisors (see below), whose sum is σ = 328390458734520. Its totient is φ = 92747387356032.

The previous prime is 202121002101119. The next prime is 202121002101143. The reversal of 202121002101122 is 221101200121202.

202121002101122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 188204677750441 + 13916324350681 = 13718771^2 + 3730459^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 202121002101122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22467870347 + ... + 22467879342.

Almost surely, 2^{202121002101122} is an apocalyptic number.

202121002101122 is a deficient number, since it is larger than the sum of its proper divisors (126269456633398).

202121002101122 is a wasteful number, since it uses less digits than its factorization.

202121002101122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44935749877.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 202121002101122 its reverse (221101200121202), we get a palindrome (423222202222324).

The spelling of 202121002101122 in words is "two hundred two trillion, one hundred twenty-one billion, two million, one hundred one thousand, one hundred twenty-two".