122112011211 has 8 divisors (see below), whose sum is σ = 172393427664. Its totient is φ = 76619301120.

The previous prime is 122112011207. The next prime is 122112011243. The reversal of 122112011211 is 112110211221.

It is a happy number.

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

It is not a de Polignac number, because 122112011211 - 2² = 122112011207 is a prime.

It is a super-2 number, since 2×122112011211² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122112011201) 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, 1197176530 + ... + 1197176631.

It is an arithmetic number, because the mean of its divisors is an integer number (21549178458).

Almost surely, 2^122112011211 is an apocalyptic number.

122112011211 is a deficient number, since it is larger than the sum of its proper divisors (50281416453).

122112011211 is a wasteful number, since it uses less digits than its factorization.

122112011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2394353181.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 122112011211 its reverse (112110211221), we get a palindrome (234222222432).

The spelling of 122112011211 in words is "one hundred twenty-two billion, one hundred twelve million, eleven thousand, two hundred eleven".