121020002211 has 16 divisors (see below), whose sum is σ = 165363246720. Its totient is φ = 78679990080.

The previous prime is 121020002189. The next prime is 121020002231. The reversal of 121020002211 is 112200020121.

It is not a de Polignac number, because 121020002211 - 2⁵ = 121020002179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121020002231) 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, 102396 + ... + 502518.

It is an arithmetic number, because the mean of its divisors is an integer number (10335202920).

Almost surely, 2^121020002211 is an apocalyptic number.

121020002211 is a deficient number, since it is larger than the sum of its proper divisors (44343244509).

121020002211 is a wasteful number, since it uses less digits than its factorization.

121020002211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402626.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 121020002211 its reverse (112200020121), we get a palindrome (233220022332).

The spelling of 121020002211 in words is "one hundred twenty-one billion, twenty million, two thousand, two hundred eleven".