20100102121022 has 64 divisors (see below), whose sum is σ = 38200135680000. Its totient is φ = 7704756240480.

The previous prime is 20100102121019. The next prime is 20100102121061. The reversal of 20100102121022 is 22012120100102.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 20100102120988 and 20100102121006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 523979 + ... + 6361977.

It is an arithmetic number, because the mean of its divisors is an integer number (596877120000).

Almost surely, 2^{20100102121022} is an apocalyptic number.

20100102121022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20100102121022 is a deficient number, since it is larger than the sum of its proper divisors (18100033558978).

20100102121022 is a wasteful number, since it uses less digits than its factorization.

20100102121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5838381.

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

Adding to 20100102121022 its reverse (22012120100102), we get a palindrome (42112222221124).

The spelling of 20100102121022 in words is "twenty trillion, one hundred billion, one hundred two million, one hundred twenty-one thousand, twenty-two".