20102100122210 has 32 divisors (see below), whose sum is σ = 38105401613760. Its totient is φ = 7614195559488.

The previous prime is 20102100122189. The next prime is 20102100122219. The reversal of 20102100122210 is 1222100120102.

It is not an unprimeable number, because it can be changed into a prime (20102100122219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23483852 + ... + 24324791.

It is an arithmetic number, because the mean of its divisors is an integer number (1190793800430).

Almost surely, 2^{20102100122210} is an apocalyptic number.

20102100122210 is a deficient number, since it is larger than the sum of its proper divisors (18003301491550).

20102100122210 is a wasteful number, since it uses less digits than its factorization.

20102100122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47810882.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20102100122210 its reverse (1222100120102), we get a palindrome (21324200242312).

The spelling of 20102100122210 in words is "twenty trillion, one hundred two billion, one hundred million, one hundred twenty-two thousand, two hundred ten".