100100220995 has 32 divisors (see below), whose sum is σ = 124625329920. Its totient is φ = 77143173120.

The previous prime is 100100220991. The next prime is 100100221009. The reversal of 100100220995 is 599022001001.

It is not a de Polignac number, because 100100220995 - 2² = 100100220991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100100220991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3776027 + ... + 3802443.

It is an arithmetic number, because the mean of its divisors is an integer number (3894541560).

Almost surely, 2^100100220995 is an apocalyptic number.

100100220995 is a deficient number, since it is larger than the sum of its proper divisors (24525108925).

100100220995 is a wasteful number, since it uses less digits than its factorization.

100100220995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26735.

The product of its (nonzero) digits is 1620, while the sum is 29.

Adding to 100100220995 its reverse (599022001001), we get a palindrome (699122221996).

The spelling of 100100220995 in words is "one hundred billion, one hundred million, two hundred twenty thousand, nine hundred ninety-five".