2421320122 has 12 divisors (see below), whose sum is σ = 3932854830. Its totient is φ = 1117532208.

The previous prime is 2421320117. The next prime is 2421320123. The reversal of 2421320122 is 2210231242.

It can be written as a sum of positive squares in 3 ways, for example, as 506295001 + 1915025121 = 22501^2 + 43761^2 .

It is a super-2 number, since 2×2421320122² = 11725582266404189768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2421320122.

It is not an unprimeable number, because it can be changed into a prime (2421320123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3581497 + ... + 3582172.

Almost surely, 2^2421320122 is an apocalyptic number.

2421320122 is a deficient number, since it is larger than the sum of its proper divisors (1511534708).

2421320122 is a wasteful number, since it uses less digits than its factorization.

2421320122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7163697 (or 7163684 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2421320122 is about 49206.9113235123. The cubic root of 2421320122 is about 1342.8187715900.

Adding to 2421320122 its reverse (2210231242), we get a palindrome (4631551364).

The spelling of 2421320122 in words is "two billion, four hundred twenty-one million, three hundred twenty thousand, one hundred twenty-two".