121310022211 has 6 divisors (see below), whose sum is σ = 141115740180. Its totient is φ = 103980018996.

The previous prime is 121310022191. The next prime is 121310022277. The reversal of 121310022211 is 112220013121.

It is not a de Polignac number, because 121310022211 - 2⁹ = 121310021699 is a prime.

It is a super-2 number, since 2×121310022211² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121310052211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1237857321 + ... + 1237857418.

It is an arithmetic number, because the mean of its divisors is an integer number (23519290030).

Almost surely, 2^121310022211 is an apocalyptic number.

121310022211 is a deficient number, since it is larger than the sum of its proper divisors (19805717969).

121310022211 is an equidigital number, since it uses as much as digits as its factorization.

121310022211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2475714753 (or 2475714746 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 121310022211 its reverse (112220013121), we get a palindrome (233530035332).

The spelling of 121310022211 in words is "one hundred twenty-one billion, three hundred ten million, twenty-two thousand, two hundred eleven".