10121235554 has 8 divisors (see below), whose sum is σ = 15189895980. Its totient is φ = 5057936896.

The previous prime is 10121235547. The next prime is 10121235563. The reversal of 10121235554 is 45553212101.

It can be written as a sum of positive squares in 2 ways, for example, as 10104873529 + 16362025 = 100523^2 + 4045^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1335719 + ... + 1343274.

Almost surely, 2^10121235554 is an apocalyptic number.

10121235554 is a deficient number, since it is larger than the sum of its proper divisors (5068660426).

10121235554 is a wasteful number, since it uses less digits than its factorization.

10121235554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2680884.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 10121235554 its reverse (45553212101), we get a palindrome (55674447655).

The spelling of 10121235554 in words is "ten billion, one hundred twenty-one million, two hundred thirty-five thousand, five hundred fifty-four".