122222201101 has 32 divisors (see below), whose sum is σ = 166792824576. Its totient is φ = 86470848000.

The previous prime is 122222201083. The next prime is 122222201107. The reversal of 122222201101 is 101102222221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 122222201101 - 2⁵ = 122222201069 is a prime.

It is a super-2 number, since 2×122222201101² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122222201107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 939760 + ... + 1061881.

It is an arithmetic number, because the mean of its divisors is an integer number (5212275768).

Almost surely, 2^122222201101 is an apocalyptic number.

122222201101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122222201101 is a deficient number, since it is larger than the sum of its proper divisors (44570623475).

122222201101 is a wasteful number, since it uses less digits than its factorization.

122222201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001733.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122222201101 its reverse (101102222221), we get a palindrome (223324423322).

It can be divided in two parts, 122222 and 201101, that added together give a palindrome (323323).

The spelling of 122222201101 in words is "one hundred twenty-two billion, two hundred twenty-two million, two hundred one thousand, one hundred one".