2100122021012 has 12 divisors (see below), whose sum is σ = 3868645828320. Its totient is φ = 994794641496.

The previous prime is 2100122020991. The next prime is 2100122021059. The reversal of 2100122021012 is 2101202210012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13816592168 + ... + 13816592319.

It is an arithmetic number, because the mean of its divisors is an integer number (322387152360).

Almost surely, 2^{2100122021012} is an apocalyptic number.

It is an amenable number.

2100122021012 is a deficient number, since it is larger than the sum of its proper divisors (1768523807308).

2100122021012 is a wasteful number, since it uses less digits than its factorization.

2100122021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27633184510 (or 27633184508 counting only the distinct ones).

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

Adding to 2100122021012 its reverse (2101202210012), we get a palindrome (4201324231024).

The spelling of 2100122021012 in words is "two trillion, one hundred billion, one hundred twenty-two million, twenty-one thousand, twelve".