100202102121202 has 16 divisors (see below), whose sum is σ = 151792357099032. Its totient is φ = 49604656643200.

The previous prime is 100202102121137. The next prime is 100202102121217. The reversal of 100202102121202 is 202121201202001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 76105401793281 + 24096700327921 = 8723841^2 + 4908839^2 .

It is a super-2 number, since 2×100202102121202² (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, 28777908 + ... + 32071360.

Almost surely, 2^{100202102121202} is an apocalyptic number.

100202102121202 is a deficient number, since it is larger than the sum of its proper divisors (51590254977830).

100202102121202 is a wasteful number, since it uses less digits than its factorization.

100202102121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3444173.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 100202102121202 its reverse (202121201202001), we get a palindrome (302323303323203).

The spelling of 100202102121202 in words is "one hundred trillion, two hundred two billion, one hundred two million, one hundred twenty-one thousand, two hundred two".