2100122200210 has 32 divisors (see below), whose sum is σ = 3788780410800. Its totient is φ = 838146908160.

The previous prime is 2100122200193. The next prime is 2100122200259. The reversal of 2100122200210 is 120022210012.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 322931929441 + 1777190270769 = 568271^2 + 1333113^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82639986 + ... + 82665394.

Almost surely, 2^{2100122200210} is an apocalyptic number.

2100122200210 is a deficient number, since it is larger than the sum of its proper divisors (1688658210590).

2100122200210 is a wasteful number, since it uses less digits than its factorization.

2100122200210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43806.

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

Adding to 2100122200210 its reverse (120022210012), we get a palindrome (2220144410222).

The spelling of 2100122200210 in words is "two trillion, one hundred billion, one hundred twenty-two million, two hundred thousand, two hundred ten".