102001220110005 has 16 divisors (see below), whose sum is σ = 163202834271744. Its totient is φ = 54400356693440.

The previous prime is 102001220109991. The next prime is 102001220110007. The reversal of 102001220110005 is 500011022100201.

It is not a de Polignac number, because 102001220110005 - 2²⁵ = 102001186555573 is a prime.

It is a super-2 number, since 2×102001220110005² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102001220110007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15494661 + ... + 21073370.

It is an arithmetic number, because the mean of its divisors is an integer number (10200177141984).

Almost surely, 2^{102001220110005} is an apocalyptic number.

102001220110005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102001220110005 is a deficient number, since it is larger than the sum of its proper divisors (61201614161739).

102001220110005 is a wasteful number, since it uses less digits than its factorization.

102001220110005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36753996.

The product of its (nonzero) digits is 40, while the sum is 15.

Adding to 102001220110005 its reverse (500011022100201), we get a palindrome (602012242210206).

The spelling of 102001220110005 in words is "one hundred two trillion, one billion, two hundred twenty million, one hundred ten thousand, five".