124221101201 has 4 divisors (see below), whose sum is σ = 124221855600. Its totient is φ = 124220346804.

The previous prime is 124221101171. The next prime is 124221101261. The reversal of 124221101201 is 102101122421.

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 124221101201 - 2²² = 124216906897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124221101201.

It is not an unprimeable number, because it can be changed into a prime (124221101261) 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, 12971 + ... + 498608.

It is an arithmetic number, because the mean of its divisors is an integer number (31055463900).

Almost surely, 2^124221101201 is an apocalyptic number.

It is an amenable number.

124221101201 is a deficient number, since it is larger than the sum of its proper divisors (754399).

124221101201 is an equidigital number, since it uses as much as digits as its factorization.

124221101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754398.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 124221101201 its reverse (102101122421), we get a palindrome (226322223622).

The spelling of 124221101201 in words is "one hundred twenty-four billion, two hundred twenty-one million, one hundred one thousand, two hundred one".