402203121101 has 4 divisors (see below), whose sum is σ = 402644618304. Its totient is φ = 401761623900.

The previous prime is 402203121097. The next prime is 402203121139. The reversal of 402203121101 is 101121302204.

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.

It is a cyclic number.

It is not a de Polignac number, because 402203121101 - 2² = 402203121097 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 402203121101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402203121401) 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, 220747235 + ... + 220749056.

It is an arithmetic number, because the mean of its divisors is an integer number (100661154576).

Almost surely, 2^402203121101 is an apocalyptic number.

It is an amenable number.

402203121101 is a deficient number, since it is larger than the sum of its proper divisors (441497203).

402203121101 is an equidigital number, since it uses as much as digits as its factorization.

402203121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441497202.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 402203121101 its reverse (101121302204), we get a palindrome (503324423305).

The spelling of 402203121101 in words is "four hundred two billion, two hundred three million, one hundred twenty-one thousand, one hundred one".