122211201122 has 4 divisors (see below), whose sum is σ = 183316801686. Its totient is φ = 61105600560.

The previous prime is 122211201113. The next prime is 122211201127. The reversal of 122211201122 is 221102112221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221102112221 = 445597 ⋅496193.

It can be written as a sum of positive squares in only one way, i.e., 121054589041 + 1156612081 = 347929^2 + 34009^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 122211201122.

It is not an unprimeable number, because it can be changed into a prime (122211201127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30552800279 + ... + 30552800282.

Almost surely, 2^122211201122 is an apocalyptic number.

122211201122 is a deficient number, since it is larger than the sum of its proper divisors (61105600564).

122211201122 is an equidigital number, since it uses as much as digits as its factorization.

122211201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61105600563.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122211201122 its reverse (221102112221), we get a palindrome (343313313343).

The spelling of 122211201122 in words is "one hundred twenty-two billion, two hundred eleven million, two hundred one thousand, one hundred twenty-two".