10402453322121 has 64 divisors (see below), whose sum is σ = 16592277897216. Its totient is φ = 5671846540800.

The previous prime is 10402453322113. The next prime is 10402453322143. The reversal of 10402453322121 is 12122335420401.

It is a happy number.

It is not a de Polignac number, because 10402453322121 - 2³ = 10402453322113 is a prime.

It is a super-2 number, since 2×10402453322121² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10402453322161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 151611595 + ... + 151680191.

It is an arithmetic number, because the mean of its divisors is an integer number (259254342144).

Almost surely, 2^{10402453322121} is an apocalyptic number.

It is an amenable number.

10402453322121 is a deficient number, since it is larger than the sum of its proper divisors (6189824575095).

10402453322121 is a wasteful number, since it uses less digits than its factorization.

10402453322121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71902.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 10402453322121 its reverse (12122335420401), we get a palindrome (22524788742522).

The spelling of 10402453322121 in words is "ten trillion, four hundred two billion, four hundred fifty-three million, three hundred twenty-two thousand, one hundred twenty-one".