2100120001202 has 16 divisors (see below), whose sum is σ = 3178245863520. Its totient is φ = 1040705813952.

The previous prime is 2100120001153. The next prime is 2100120001261. The reversal of 2100120001202 is 2021000210012.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3675749 + ... + 4208487.

It is an arithmetic number, because the mean of its divisors is an integer number (198640366470).

Almost surely, 2^{2100120001202} is an apocalyptic number.

2100120001202 is a deficient number, since it is larger than the sum of its proper divisors (1078125862318).

2100120001202 is a wasteful number, since it uses less digits than its factorization.

2100120001202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550297.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2100120001202 its reverse (2021000210012), we get a palindrome (4121120211214).

The spelling of 2100120001202 in words is "two trillion, one hundred billion, one hundred twenty million, one thousand, two hundred two".