101110556001 has 16 divisors (see below), whose sum is σ = 165925015424. Its totient is φ = 53333040384.

The previous prime is 101110555991. The next prime is 101110556017. The reversal of 101110556001 is 100655011101.

It is a happy number.

It is not a de Polignac number, because 101110556001 - 2⁷ = 101110555873 is a prime.

It is a super-2 number, since 2×101110556001² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (101110556801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185183896 + ... + 185184441.

It is an arithmetic number, because the mean of its divisors is an integer number (10370313464).

Almost surely, 2^101110556001 is an apocalyptic number.

It is an amenable number.

101110556001 is a deficient number, since it is larger than the sum of its proper divisors (64814459423).

101110556001 is a wasteful number, since it uses less digits than its factorization.

101110556001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370368360.

The product of its (nonzero) digits is 150, while the sum is 21.

Adding to 101110556001 its reverse (100655011101), we get a palindrome (201765567102).

The spelling of 101110556001 in words is "one hundred one billion, one hundred ten million, five hundred fifty-six thousand, one".