10400121110 has 32 divisors (see below), whose sum is σ = 19996854912. Its totient is φ = 3880683520.

The previous prime is 10400121091. The next prime is 10400121113. The reversal of 10400121110 is 1112100401.

It is a junction number, because it is equal to n+sod(n) for n = 10400121091 and 10400121100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10400121113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251486 + ... + 289905.

It is an arithmetic number, because the mean of its divisors is an integer number (624901716).

Almost surely, 2^10400121110 is an apocalyptic number.

10400121110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10400121110 is a deficient number, since it is larger than the sum of its proper divisors (9596733802).

10400121110 is a wasteful number, since it uses less digits than its factorization.

10400121110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541528.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10400121110 its reverse (1112100401), we get a palindrome (11512221511).

The spelling of 10400121110 in words is "ten billion, four hundred million, one hundred twenty-one thousand, one hundred ten".