210202102100122 has 16 divisors (see below), whose sum is σ = 349605880693344. Its totient is φ = 93980075454000.

The previous prime is 210202102100113. The next prime is 210202102100147. The reversal of 210202102100122 is 221001201202012.

It is a happy number.

It is a super-2 number, since 2×210202102100122² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210202102100096 and 210202102100105.

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, 78316728204 + ... + 78316730887.

It is an arithmetic number, because the mean of its divisors is an integer number (21850367543334).

Almost surely, 2^{210202102100122} is an apocalyptic number.

210202102100122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210202102100122 is a deficient number, since it is larger than the sum of its proper divisors (139403778593222).

210202102100122 is a wasteful number, since it uses less digits than its factorization.

210202102100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156633459165.

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

Adding to 210202102100122 its reverse (221001201202012), we get a palindrome (431203303302134).

The spelling of 210202102100122 in words is "two hundred ten trillion, two hundred two billion, one hundred two million, one hundred thousand, one hundred twenty-two".