2001222100202 has 32 divisors (see below), whose sum is σ = 3405038757120. Its totient is φ = 874475179200.

The previous prime is 2001222100153. The next prime is 2001222100211. The reversal of 2001222100202 is 2020012221002.

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, 497549 + ... + 2061552.

It is an arithmetic number, because the mean of its divisors is an integer number (106407461160).

Almost surely, 2^{2001222100202} is an apocalyptic number.

2001222100202 is a deficient number, since it is larger than the sum of its proper divisors (1403816656918).

2001222100202 is a wasteful number, since it uses less digits than its factorization.

2001222100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2560718.

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

Adding to 2001222100202 its reverse (2020012221002), we get a palindrome (4021234321204).

The spelling of 2001222100202 in words is "two trillion, one billion, two hundred twenty-two million, one hundred thousand, two hundred two".