2021120102002 has 8 divisors (see below), whose sum is σ = 3034050508800. Its totient is φ = 1009769932404.

The previous prime is 2021120101997. The next prime is 2021120102017. The reversal of 2021120102002 is 2002010211202.

It is a happy number.

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

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, 395056102 + ... + 395061217.

It is an arithmetic number, because the mean of its divisors is an integer number (379256313600).

Almost surely, 2^{2021120102002} is an apocalyptic number.

2021120102002 is a deficient number, since it is larger than the sum of its proper divisors (1012930406798).

2021120102002 is a wasteful number, since it uses less digits than its factorization.

2021120102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790118600.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2021120102002 its reverse (2002010211202), we get a palindrome (4023130313204).

The spelling of 2021120102002 in words is "two trillion, twenty-one billion, one hundred twenty million, one hundred two thousand, two".