2021201012125 has 32 divisors (see below), whose sum is σ = 2722894237440. Its totient is φ = 1493325064000.

The previous prime is 2021201012099. The next prime is 2021201012147. The reversal of 2021201012125 is 5212101021202.

It is a happy number.

It is not a de Polignac number, because 2021201012125 - 2⁵ = 2021201012093 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12037771 + ... + 12204520.

It is an arithmetic number, because the mean of its divisors is an integer number (85090444920).

Almost surely, 2^{2021201012125} is an apocalyptic number.

2021201012125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2021201012125 is a deficient number, since it is larger than the sum of its proper divisors (701693225315).

2021201012125 is a wasteful number, since it uses less digits than its factorization.

2021201012125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24242358 (or 24242348 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 2021201012125 its reverse (5212101021202), we get a palindrome (7233302033327).

The spelling of 2021201012125 in words is "two trillion, twenty-one billion, two hundred one million, twelve thousand, one hundred twenty-five".