10121000222100 has 36 divisors (see below), whose sum is σ = 29283427310144. Its totient is φ = 2698933392480.

The previous prime is 10121000222093. The next prime is 10121000222129. The reversal of 10121000222100 is 122200012101.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 16868333404 + ... + 16868334003.

Almost surely, 2^{10121000222100} is an apocalyptic number.

10121000222100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10121000222100 is an abundant number, since it is smaller than the sum of its proper divisors (19162427088044).

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

10121000222100 is a wasteful number, since it uses less digits than its factorization.

10121000222100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33736667424 (or 33736667417 counting only the distinct ones).

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

Adding to 10121000222100 its reverse (122200012101), we get a palindrome (10243200234201).

The spelling of 10121000222100 in words is "ten trillion, one hundred twenty-one billion, two hundred twenty-two thousand, one hundred".