122122221220101 has 16 divisors (see below), whose sum is σ = 170590886463488. Its totient is φ = 77612581609200.

The previous prime is 122122221220081. The next prime is 122122221220193. The reversal of 122122221220101 is 101022122221221.

It is not a de Polignac number, because 122122221220101 - 2⁹ = 122122221219589 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 (122122221221101) 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, 9799562155 + ... + 9799574616.

It is an arithmetic number, because the mean of its divisors is an integer number (10661930403968).

Almost surely, 2^{122122221220101} is an apocalyptic number.

It is an amenable number.

122122221220101 is a deficient number, since it is larger than the sum of its proper divisors (48468665243387).

122122221220101 is a wasteful number, since it uses less digits than its factorization.

122122221220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19599136872.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 122122221220101 its reverse (101022122221221), we get a palindrome (223144343441322).

The spelling of 122122221220101 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, two hundred twenty-one million, two hundred twenty thousand, one hundred one".