10121020102100 has 36 divisors (see below), whose sum is σ = 21962755752000. Its totient is φ = 4048381841760.

The previous prime is 10121020102091. The next prime is 10121020102147. The reversal of 10121020102100 is 120102012101.

It is a super-2 number, since 2×10121020102100² (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 11 ways as a sum of consecutive naturals, for example, 24775301 + ... + 25180499.

Almost surely, 2^{10121020102100} is an apocalyptic number.

10121020102100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10121020102100 is an abundant number, since it is smaller than the sum of its proper divisors (11841735649900).

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

10121020102100 is a wasteful number, since it uses less digits than its factorization.

10121020102100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654992 (or 654985 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10121020102100 its reverse (120102012101), we get a palindrome (10241122114201).

The spelling of 10121020102100 in words is "ten trillion, one hundred twenty-one billion, twenty million, one hundred two thousand, one hundred".