100121020101202 has 16 divisors (see below), whose sum is σ = 150404772638232. Its totient is φ = 49986097274880.

The previous prime is 100121020101163. The next prime is 100121020101281. The reversal of 100121020101202 is 202101020121001.

It can be written as a sum of positive squares in 4 ways, for example, as 99864266090521 + 256754010681 = 9993211^2 + 506709^2 .

It is a super-2 number, since 2×100121020101202² (a number of 29 digits) contains 22 as substring.

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, 178302802 + ... + 178863442.

Almost surely, 2^{100121020101202} is an apocalyptic number.

100121020101202 is a deficient number, since it is larger than the sum of its proper divisors (50283752537030).

100121020101202 is a wasteful number, since it uses less digits than its factorization.

100121020101202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693213.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100121020101202 its reverse (202101020121001), we get a palindrome (302222040222203).

The spelling of 100121020101202 in words is "one hundred trillion, one hundred twenty-one billion, twenty million, one hundred one thousand, two hundred two".