121002112211 has 2 divisors, whose sum is σ = 121002112212. Its totient is φ = 121002112210.

The previous prime is 121002112193. The next prime is 121002112277. The reversal of 121002112211 is 112211200121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121002112211 - 2²² = 120997917907 is a prime.

It is a super-2 number, since 2×121002112211² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121062112211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60501056105 + 60501056106.

It is an arithmetic number, because the mean of its divisors is an integer number (60501056106).

Almost surely, 2^121002112211 is an apocalyptic number.

121002112211 is a deficient number, since it is larger than the sum of its proper divisors (1).

121002112211 is an equidigital number, since it uses as much as digits as its factorization.

121002112211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121002112211 its reverse (112211200121), we get a palindrome (233213312332).

The spelling of 121002112211 in words is "one hundred twenty-one billion, two million, one hundred twelve thousand, two hundred eleven".