2021120122102 has 8 divisors (see below), whose sum is σ = 3040417014696. Its totient is φ = 1007647783872.

The previous prime is 2021120122081. The next prime is 2021120122139. The reversal of 2021120122102 is 2012210211202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1456137723 + ... + 1456139110.

It is an arithmetic number, because the mean of its divisors is an integer number (380052126837).

Almost surely, 2^{2021120122102} is an apocalyptic number.

2021120122102 is a deficient number, since it is larger than the sum of its proper divisors (1019296892594).

2021120122102 is a wasteful number, since it uses less digits than its factorization.

2021120122102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2912277182.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2021120122102 its reverse (2012210211202), we get a palindrome (4033330333304).

The spelling of 2021120122102 in words is "two trillion, twenty-one billion, one hundred twenty million, one hundred twenty-two thousand, one hundred two".