121210011122211 has 32 divisors (see below), whose sum is σ = 202214159984640. Its totient is φ = 71090915608800.

The previous prime is 121210011122203. The next prime is 121210011122219. The reversal of 121210011122211 is 112221110012121.

It is a happy number.

121210011122211 is a `hidden beast` number, since 121 + 210 + 0 + 1 + 1 + 122 + 211 = 666.

It is an interprime number because it is at equal distance from previous prime (121210011122203) and next prime (121210011122219).

It is not a de Polignac number, because 121210011122211 - 2³ = 121210011122203 is a prime.

It is a super-3 number, since 3×121210011122211³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (121210011122219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6582482980 + ... + 6582501393.

It is an arithmetic number, because the mean of its divisors is an integer number (6319192499520).

Almost surely, 2^{121210011122211} is an apocalyptic number.

121210011122211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121210011122211 is a deficient number, since it is larger than the sum of its proper divisors (81004148862429).

121210011122211 is a wasteful number, since it uses less digits than its factorization.

121210011122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13164984424 (or 13164984418 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 121210011122211 its reverse (112221110012121), we get a palindrome (233431121134332).

The spelling of 121210011122211 in words is "one hundred twenty-one trillion, two hundred ten billion, eleven million, one hundred twenty-two thousand, two hundred eleven".