122120100220101 has 32 divisors (see below), whose sum is σ = 175717724405760. Its totient is φ = 75252030357504.

The previous prime is 122120100220049. The next prime is 122120100220103. The reversal of 122120100220101 is 101022001021221.

It is not a de Polignac number, because 122120100220101 - 2¹⁵ = 122120100187333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122120100220103) 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, 238076220 + ... + 238588613.

It is an arithmetic number, because the mean of its divisors is an integer number (5491178887680).

Almost surely, 2^{122120100220101} is an apocalyptic number.

It is an amenable number.

122120100220101 is a deficient number, since it is larger than the sum of its proper divisors (53597624185659).

122120100220101 is a wasteful number, since it uses less digits than its factorization.

122120100220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476664985.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 122120100220101 its reverse (101022001021221), we get a palindrome (223142101241322).

The spelling of 122120100220101 in words is "one hundred twenty-two trillion, one hundred twenty billion, one hundred million, two hundred twenty thousand, one hundred one".