122211212222011 has 8 divisors (see below), whose sum is σ = 133325478321984. Its totient is φ = 111097638771720.

The previous prime is 122211212221963. The next prime is 122211212222039. The reversal of 122211212222011 is 110222212112221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122211212222011 - 2¹⁵ = 122211212189243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122211212222041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172793461 + ... + 173499286.

It is an arithmetic number, because the mean of its divisors is an integer number (16665684790248).

Almost surely, 2^{122211212222011} is an apocalyptic number.

122211212222011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122211212222011 is a deficient number, since it is larger than the sum of its proper divisors (11114266099973).

122211212222011 is a wasteful number, since it uses less digits than its factorization.

122211212222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346324841.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 122211212222011 its reverse (110222212112221), we get a palindrome (232433424334232).

The spelling of 122211212222011 in words is "one hundred twenty-two trillion, two hundred eleven billion, two hundred twelve million, two hundred twenty-two thousand, eleven".