402111313230121 has 8 divisors (see below), whose sum is σ = 439318695321504. Its totient is φ = 365012565832320.

The previous prime is 402111313230113. The next prime is 402111313230161. The reversal of 402111313230121 is 121032313111204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 402111313230121 - 2³ = 402111313230113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402111313230161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27158665651 + ... + 27158680456.

It is an arithmetic number, because the mean of its divisors is an integer number (54914836915188).

Almost surely, 2^{402111313230121} is an apocalyptic number.

It is an amenable number.

402111313230121 is a deficient number, since it is larger than the sum of its proper divisors (37207382091383).

402111313230121 is a wasteful number, since it uses less digits than its factorization.

402111313230121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54317346791.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 402111313230121 its reverse (121032313111204), we get a palindrome (523143626341325).

The spelling of 402111313230121 in words is "four hundred two trillion, one hundred eleven billion, three hundred thirteen million, two hundred thirty thousand, one hundred twenty-one".