10402121110 has 8 divisors (see below), whose sum is σ = 18723818016. Its totient is φ = 4160848440.

The previous prime is 10402121089. The next prime is 10402121117. The reversal of 10402121110 is 1112120401.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10402121117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520106046 + ... + 520106065.

It is an arithmetic number, because the mean of its divisors is an integer number (2340477252).

Almost surely, 2^10402121110 is an apocalyptic number.

10402121110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10402121110 is a deficient number, since it is larger than the sum of its proper divisors (8321696906).

10402121110 is a wasteful number, since it uses less digits than its factorization.

10402121110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040212118.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10402121110 its reverse (1112120401), we get a palindrome (11514241511).

The spelling of 10402121110 in words is "ten billion, four hundred two million, one hundred twenty-one thousand, one hundred ten".