122212220101 has 16 divisors (see below), whose sum is σ = 128414619648. Its totient is φ = 116084430000.

The previous prime is 122212220051. The next prime is 122212220131. The reversal of 122212220101 is 101022212221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 122212220101 - 2¹¹ = 122212218053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122212220131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16621576 + ... + 16628926.

It is an arithmetic number, because the mean of its divisors is an integer number (8025913728).

Almost surely, 2^122212220101 is an apocalyptic number.

It is an amenable number.

122212220101 is a deficient number, since it is larger than the sum of its proper divisors (6202399547).

122212220101 is a wasteful number, since it uses less digits than its factorization.

122212220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12312.

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

Adding to 122212220101 its reverse (101022212221), we get a palindrome (223234432322).

It can be divided in two parts, 12221 and 2220101, that added together give a palindrome (2232322).

The spelling of 122212220101 in words is "one hundred twenty-two billion, two hundred twelve million, two hundred twenty thousand, one hundred one".