5551106010021 has 96 divisors (see below), whose sum is σ = 9566534944512. Its totient is φ = 3057573934080.

The previous prime is 5551106010013. The next prime is 5551106010029. The reversal of 5551106010021 is 1200106011555.

5551106010021 is a `hidden beast` number, since 5 + 5 + 51 + 1 + 0 + 601 + 0 + 0 + 2 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (5551106010013) and next prime (5551106010029).

It is not a de Polignac number, because 5551106010021 - 2³ = 5551106010013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5551106010029) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 22812025 + ... + 23054081.

It is an arithmetic number, because the mean of its divisors is an integer number (99651405672).

Almost surely, 2^{5551106010021} is an apocalyptic number.

It is an amenable number.

5551106010021 is a deficient number, since it is larger than the sum of its proper divisors (4015428934491).

5551106010021 is a wasteful number, since it uses less digits than its factorization.

5551106010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242363 (or 242360 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 27.

The spelling of 5551106010021 in words is "five trillion, five hundred fifty-one billion, one hundred six million, ten thousand, twenty-one".