55011022101 has 24 divisors (see below), whose sum is σ = 94175250624. Its totient is φ = 31434868800.

The previous prime is 55011022091. The next prime is 55011022139. The reversal of 55011022101 is 10122011055.

55011022101 is a `hidden beast` number, since 550 + 1 + 10 + 2 + 2 + 101 = 666.

It is not a de Polignac number, because 55011022101 - 2⁹ = 55011021589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55011022201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16168500 + ... + 16171901.

It is an arithmetic number, because the mean of its divisors is an integer number (3923968776).

Almost surely, 2^55011022101 is an apocalyptic number.

It is an amenable number.

55011022101 is a deficient number, since it is larger than the sum of its proper divisors (39164228523).

55011022101 is an equidigital number, since it uses as much as digits as its factorization.

55011022101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32340423 (or 32340411 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

Adding to 55011022101 its reverse (10122011055), we get a palindrome (65133033156).

The spelling of 55011022101 in words is "fifty-five billion, eleven million, twenty-two thousand, one hundred one".