10121113455 has 32 divisors (see below), whose sum is σ = 17175146688. Its totient is φ = 5071872000.

The previous prime is 10121113451. The next prime is 10121113463. The reversal of 10121113455 is 55431112101.

It is not a de Polignac number, because 10121113455 - 2² = 10121113451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121113451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120235 + ... + 186275.

It is an arithmetic number, because the mean of its divisors is an integer number (536723334).

Almost surely, 2^10121113455 is an apocalyptic number.

10121113455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10121113455 is a deficient number, since it is larger than the sum of its proper divisors (7054033233).

10121113455 is a wasteful number, since it uses less digits than its factorization.

10121113455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66667.

The product of its (nonzero) digits is 600, while the sum is 24.

Adding to 10121113455 its reverse (55431112101), we get a palindrome (65552225556).

The spelling of 10121113455 in words is "ten billion, one hundred twenty-one million, one hundred thirteen thousand, four hundred fifty-five".