20100122100210 has 32 divisors (see below), whose sum is σ = 48259428602112. Its totient is φ = 5357906386560.

The previous prime is 20100122100169. The next prime is 20100122100217. The reversal of 20100122100210 is 1200122100102.

It is a super-3 number, since 3×20100122100210³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (20100122100217) 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, 132808954 + ... + 132960213.

It is an arithmetic number, because the mean of its divisors is an integer number (1508107143816).

Almost surely, 2^{20100122100210} is an apocalyptic number.

20100122100210 is an abundant number, since it is smaller than the sum of its proper divisors (28159306501902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20100122100210 is a wasteful number, since it uses less digits than its factorization.

20100122100210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265771698.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20100122100210 its reverse (1200122100102), we get a palindrome (21300244200312).

The spelling of 20100122100210 in words is "twenty trillion, one hundred billion, one hundred twenty-two million, one hundred thousand, two hundred ten".