211212222000122 has 16 divisors (see below), whose sum is σ = 362079121896000. Its totient is φ = 90519266954688.

The previous prime is 211212222000089. The next prime is 211212222000179. The reversal of 211212222000122 is 221000222212112.

It is a super-2 number, since 2×211212222000122² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211212222000094 and 211212222000103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16241903 + ... + 26195874.

It is an arithmetic number, because the mean of its divisors is an integer number (22629945118500).

Almost surely, 2^{211212222000122} is an apocalyptic number.

211212222000122 is a deficient number, since it is larger than the sum of its proper divisors (150866899895878).

211212222000122 is a wasteful number, since it uses less digits than its factorization.

211212222000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42793285.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 211212222000122 its reverse (221000222212112), we get a palindrome (432212444212234).

The spelling of 211212222000122 in words is "two hundred eleven trillion, two hundred twelve billion, two hundred twenty-two million, one hundred twenty-two", and thus it is an aban number.