20100001210102 has 16 divisors (see below), whose sum is σ = 32890982068224. Its totient is φ = 9136344465000.

The previous prime is 20100001210067. The next prime is 20100001210111. The reversal of 20100001210102 is 20101210000102.

It is a super-2 number, since 2×20100001210102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 15749227 + ... + 16977577.

It is an arithmetic number, because the mean of its divisors is an integer number (2055686379264).

Almost surely, 2^{20100001210102} is an apocalyptic number.

20100001210102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20100001210102 is a deficient number, since it is larger than the sum of its proper divisors (12790980858122).

20100001210102 is a wasteful number, since it uses less digits than its factorization.

20100001210102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972155.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20100001210102 its reverse (20101210000102), we get a palindrome (40201211210204).

The spelling of 20100001210102 in words is "twenty trillion, one hundred billion, one million, two hundred ten thousand, one hundred two".