2121020200202 has 64 divisors (see below), whose sum is σ = 3436886246400. Its totient is φ = 979306732800.

The previous prime is 2121020200199. The next prime is 2121020200217. The reversal of 2121020200202 is 2020020201212.

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, 58721324 + ... + 58757432.

It is an arithmetic number, because the mean of its divisors is an integer number (53701347600).

Almost surely, 2^{2121020200202} is an apocalyptic number.

2121020200202 is a deficient number, since it is larger than the sum of its proper divisors (1315866046198).

2121020200202 is a wasteful number, since it uses less digits than its factorization.

2121020200202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36551.

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

Adding to 2121020200202 its reverse (2020020201212), we get a palindrome (4141040401414).

The spelling of 2121020200202 in words is "two trillion, one hundred twenty-one billion, twenty million, two hundred thousand, two hundred two".