102110220101 has 4 divisors (see below), whose sum is σ = 106549794912. Its totient is φ = 97670645292.

The previous prime is 102110220097. The next prime is 102110220119. The reversal of 102110220101 is 101022011201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102110220101 - 2² = 102110220097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102110220181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2219787371 + ... + 2219787416.

It is an arithmetic number, because the mean of its divisors is an integer number (26637448728).

Almost surely, 2^102110220101 is an apocalyptic number.

It is an amenable number.

102110220101 is a deficient number, since it is larger than the sum of its proper divisors (4439574811).

102110220101 is an equidigital number, since it uses as much as digits as its factorization.

102110220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4439574810.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 102110220101 its reverse (101022011201), we get a palindrome (203132231302).

The spelling of 102110220101 in words is "one hundred two billion, one hundred ten million, two hundred twenty thousand, one hundred one".