2021012202002 has 32 divisors (see below), whose sum is σ = 3253161111984. Its totient is φ = 938296576000.

The previous prime is 2021012201933. The next prime is 2021012202029. The reversal of 2021012202002 is 2002022101202.

It can be written as a sum of positive squares in 8 ways, for example, as 2019749750041 + 1262451961 = 1421179^2 + 35531^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82253 + ... + 2012160.

Almost surely, 2^{2021012202002} is an apocalyptic number.

2021012202002 is a deficient number, since it is larger than the sum of its proper divisors (1232148909982).

2021012202002 is a wasteful number, since it uses less digits than its factorization.

2021012202002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094814.

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

Adding to 2021012202002 its reverse (2002022101202), we get a palindrome (4023034303204).

The spelling of 2021012202002 in words is "two trillion, twenty-one billion, twelve million, two hundred two thousand, two".