122222221101 has 96 divisors (see below), whose sum is σ = 193941396480. Its totient is φ = 73903104000.

The previous prime is 122222221091. The next prime is 122222221111. The reversal of 122222221101 is 101122222221.

It is a happy number.

122222221101 is a `hidden beast` number, since 122 + 222 + 221 + 101 = 666.

It is an interprime number because it is at equal distance from previous prime (122222221091) and next prime (122222221111).

It is not a de Polignac number, because 122222221101 - 2²⁵ = 122188666669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122222221111) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 123331716 + ... + 123332706.

It is an arithmetic number, because the mean of its divisors is an integer number (2020222880).

Almost surely, 2^122222221101 is an apocalyptic number.

It is an amenable number.

122222221101 is a deficient number, since it is larger than the sum of its proper divisors (71719175379).

122222221101 is a wasteful number, since it uses less digits than its factorization.

122222221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347 (or 1344 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 122222221101 its reverse (101122222221), we get a palindrome (223344443322).

It can be divided in two parts, 122222221 and 101, that multiplied together give a palindrome (12344444321).

The spelling of 122222221101 in words is "one hundred twenty-two billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred one".