55001022101 has 8 divisors (see below), whose sum is σ = 59371418880. Its totient is φ = 50795546032.

The previous prime is 55001022053. The next prime is 55001022119. The reversal of 55001022101 is 10122010055.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55001022101 is a prime.

It is a super-2 number, since 2×55001022101² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55001022101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55001022121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41229485 + ... + 41230818.

It is an arithmetic number, because the mean of its divisors is an integer number (7421427360).

Almost surely, 2^55001022101 is an apocalyptic number.

It is an amenable number.

55001022101 is a deficient number, since it is larger than the sum of its proper divisors (4370396779).

55001022101 is a wasteful number, since it uses less digits than its factorization.

55001022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82460355.

The product of its (nonzero) digits is 100, while the sum is 17.

Adding to 55001022101 its reverse (10122010055), we get a palindrome (65123032156).

The spelling of 55001022101 in words is "fifty-five billion, one million, twenty-two thousand, one hundred one".