122100310261 has 8 divisors (see below), whose sum is σ = 128532561920. Its totient is φ = 115668650592.

The previous prime is 122100310229. The next prime is 122100310303. The reversal of 122100310261 is 162013001221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122100310261 - 2⁵ = 122100310229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122100314261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312076 + ... + 584458.

It is an arithmetic number, because the mean of its divisors is an integer number (16066570240).

Almost surely, 2^122100310261 is an apocalyptic number.

It is an amenable number.

122100310261 is a deficient number, since it is larger than the sum of its proper divisors (6432251659).

122100310261 is a wasteful number, since it uses less digits than its factorization.

122100310261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295995.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 122100310261 its reverse (162013001221), we get a palindrome (284113311482).

The spelling of 122100310261 in words is "one hundred twenty-two billion, one hundred million, three hundred ten thousand, two hundred sixty-one".