11002220121201 has 16 divisors (see below), whose sum is σ = 15321460920000. Its totient is φ = 7015616307648.

The previous prime is 11002220121169. The next prime is 11002220121227. The reversal of 11002220121201 is 10212102220011.

It is not a de Polignac number, because 11002220121201 - 2⁵ = 11002220121169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11002220121251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 839985826 + ... + 839998923.

It is an arithmetic number, because the mean of its divisors is an integer number (957591307500).

Almost surely, 2^{11002220121201} is an apocalyptic number.

It is an amenable number.

11002220121201 is a deficient number, since it is larger than the sum of its proper divisors (4319240798799).

11002220121201 is a wasteful number, since it uses less digits than its factorization.

11002220121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679984848.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11002220121201 its reverse (10212102220011), we get a palindrome (21214322341212).

The spelling of 11002220121201 in words is "eleven trillion, two billion, two hundred twenty million, one hundred twenty-one thousand, two hundred one".