2001222211102 has 16 divisors (see below), whose sum is σ = 3010465970640. Its totient is φ = 997733797632.

The previous prime is 2001222211061. The next prime is 2001222211123. The reversal of 2001222211102 is 2011122221002.

It is a happy number.

It is a congruent number.

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, 22245649 + ... + 22335427.

It is an arithmetic number, because the mean of its divisors is an integer number (188154123165).

Almost surely, 2^{2001222211102} is an apocalyptic number.

2001222211102 is a deficient number, since it is larger than the sum of its proper divisors (1009243759538).

2001222211102 is a wasteful number, since it uses less digits than its factorization.

2001222211102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121707.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2001222211102 its reverse (2011122221002), we get a palindrome (4012344432104).

The spelling of 2001222211102 in words is "two trillion, one billion, two hundred twenty-two million, two hundred eleven thousand, one hundred two".