10001020122100 has 72 divisors (see below), whose sum is σ = 26261502281280. Its totient is φ = 3227219934720.

The previous prime is 10001020122097. The next prime is 10001020122193. The reversal of 10001020122100 is 122102010001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 420199030 + ... + 420222829.

It is an arithmetic number, because the mean of its divisors is an integer number (364743087240).

Almost surely, 2^{10001020122100} is an apocalyptic number.

10001020122100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10001020122100 is an abundant number, since it is smaller than the sum of its proper divisors (16260482159180).

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

10001020122100 is a wasteful number, since it uses less digits than its factorization.

10001020122100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840421897 (or 840421890 counting only the distinct ones).

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

Adding to 10001020122100 its reverse (122102010001), we get a palindrome (10123122132101).

The spelling of 10001020122100 in words is "ten trillion, one billion, twenty million, one hundred twenty-two thousand, one hundred".