122200020111 has 32 divisors (see below), whose sum is σ = 176953835520. Its totient is φ = 74563632000.

The previous prime is 122200020097. The next prime is 122200020149. The reversal of 122200020111 is 111020002221.

It is a de Polignac number, because none of the positive numbers 2^k-122200020111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122200040111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6525061 + ... + 6543761.

It is an arithmetic number, because the mean of its divisors is an integer number (5529807360).

Almost surely, 2^122200020111 is an apocalyptic number.

122200020111 is a deficient number, since it is larger than the sum of its proper divisors (54753815409).

122200020111 is a wasteful number, since it uses less digits than its factorization.

122200020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20127.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 122200020111 its reverse (111020002221), we get a palindrome (233220022332).

The spelling of 122200020111 in words is "one hundred twenty-two billion, two hundred million, twenty thousand, one hundred eleven".