121022120222211 has 32 divisors (see below), whose sum is σ = 173828935425600. Its totient is φ = 74452189745664.

The previous prime is 121022120222203. The next prime is 121022120222219. The reversal of 121022120222211 is 112222021220121.

It is an interprime number because it is at equal distance from previous prime (121022120222203) and next prime (121022120222219).

It is not a de Polignac number, because 121022120222211 - 2³ = 121022120222203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121022120222219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2670545125 + ... + 2670590441.

It is an arithmetic number, because the mean of its divisors is an integer number (5432154232050).

Almost surely, 2^{121022120222211} is an apocalyptic number.

121022120222211 is a deficient number, since it is larger than the sum of its proper divisors (52806815203389).

121022120222211 is a wasteful number, since it uses less digits than its factorization.

121022120222211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64935.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 121022120222211 its reverse (112222021220121), we get a palindrome (233244141442332).

The spelling of 121022120222211 in words is "one hundred twenty-one trillion, twenty-two billion, one hundred twenty million, two hundred twenty-two thousand, two hundred eleven".