10402121088 has 80 divisors (see below), whose sum is σ = 30956574660. Its totient is φ = 3467370240.

The previous prime is 10402121077. The next prime is 10402121089. The reversal of 10402121088 is 88012120401.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10402121089) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 491278 + ... + 512013.

Almost surely, 2^10402121088 is an apocalyptic number.

10402121088 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

10402121088 is an abundant number, since it is smaller than the sum of its proper divisors (20554453572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10402121088 is an equidigital number, since it uses as much as digits as its factorization.

10402121088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003317 (or 1003296 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

Adding to 10402121088 its reverse (88012120401), we get a palindrome (98414241489).

The spelling of 10402121088 in words is "ten billion, four hundred two million, one hundred twenty-one thousand, eighty-eight".