100550155201 has 4 divisors (see below), whose sum is σ = 100967376004. Its totient is φ = 100132934400.

The previous prime is 100550155159. The next prime is 100550155207. The reversal of 100550155201 is 102551055001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39046155201 + 61504000000 = 197601^2 + 248000^2 .

It is a cyclic number.

It is not a de Polignac number, because 100550155201 - 2²⁷ = 100415937473 is a prime.

It is a super-2 number, since 2×100550155201² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100550155207) 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, 208610040 + ... + 208610521.

It is an arithmetic number, because the mean of its divisors is an integer number (25241844001).

Almost surely, 2^100550155201 is an apocalyptic number.

It is an amenable number.

100550155201 is a deficient number, since it is larger than the sum of its proper divisors (417220803).

100550155201 is an equidigital number, since it uses as much as digits as its factorization.

100550155201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417220802.

The product of its (nonzero) digits is 1250, while the sum is 25.

The spelling of 100550155201 in words is "one hundred billion, five hundred fifty million, one hundred fifty-five thousand, two hundred one".