122261031401 has 4 divisors (see below), whose sum is σ = 122261857872. Its totient is φ = 122260204932.

The previous prime is 122261031397. The next prime is 122261031421. The reversal of 122261031401 is 104130162221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 122261031401 - 2² = 122261031397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (122261031421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123731 + ... + 509736.

It is an arithmetic number, because the mean of its divisors is an integer number (30565464468).

Almost surely, 2^122261031401 is an apocalyptic number.

It is an amenable number.

122261031401 is a deficient number, since it is larger than the sum of its proper divisors (826471).

122261031401 is an equidigital number, since it uses as much as digits as its factorization.

122261031401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826470.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 122261031401 its reverse (104130162221), we get a palindrome (226391193622).

The spelling of 122261031401 in words is "one hundred twenty-two billion, two hundred sixty-one million, thirty-one thousand, four hundred one".