253321002122 has 32 divisors (see below), whose sum is σ = 402650898048. Its totient is φ = 119280750336.

The previous prime is 253321002083. The next prime is 253321002133. The reversal of 253321002122 is 221200123352.

It is a super-3 number, since 3×253321002122³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1823558 + ... + 1957550.

It is an arithmetic number, because the mean of its divisors is an integer number (12582840564).

Almost surely, 2^253321002122 is an apocalyptic number.

253321002122 is a deficient number, since it is larger than the sum of its proper divisors (149329895926).

253321002122 is a wasteful number, since it uses less digits than its factorization.

253321002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134654.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 253321002122 its reverse (221200123352), we get a palindrome (474521125474).

The spelling of 253321002122 in words is "two hundred fifty-three billion, three hundred twenty-one million, two thousand, one hundred twenty-two".