100102020120202 has 16 divisors (see below), whose sum is σ = 152615436690024. Its totient is φ = 49230217368000.

The previous prime is 100102020120059. The next prime is 100102020120241. The reversal of 100102020120202 is 202021020201001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 49129431359121 + 50972588761081 = 7009239^2 + 7139509^2 .

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, 19678252 + ... + 24237112.

Almost surely, 2^{100102020120202} is an apocalyptic number.

100102020120202 is a deficient number, since it is larger than the sum of its proper divisors (52513416569822).

100102020120202 is a wasteful number, since it uses less digits than its factorization.

100102020120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4738905.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 100102020120202 its reverse (202021020201001), we get a palindrome (302123040321203).

The spelling of 100102020120202 in words is "one hundred trillion, one hundred two billion, twenty million, one hundred twenty thousand, two hundred two".