2021020122002 has 16 divisors (see below), whose sum is σ = 3485861178432. Its totient is φ = 860837667120.

The previous prime is 2021020121959. The next prime is 2021020122019. The reversal of 2021020122002 is 2002210201202.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 442815449 + ... + 442820012.

It is an arithmetic number, because the mean of its divisors is an integer number (217866323652).

Almost surely, 2^{2021020122002} is an apocalyptic number.

2021020122002 is a deficient number, since it is larger than the sum of its proper divisors (1464841056430).

2021020122002 is a wasteful number, since it uses less digits than its factorization.

2021020122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885635633.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2021020122002 its reverse (2002210201202), we get a palindrome (4023230323204).

The spelling of 2021020122002 in words is "two trillion, twenty-one billion, twenty million, one hundred twenty-two thousand, two".