102110220219 has 32 divisors (see below), whose sum is σ = 158955632640. Its totient is φ = 57089791872.

The previous prime is 102110220209. The next prime is 102110220323. The reversal of 102110220219 is 912022011201.

It is not a de Polignac number, because 102110220219 - 2⁵ = 102110220187 is a prime.

It is a super-2 number, since 2×102110220219² (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 a junction number, because it is equal to n+sod(n) for n = 102110220195 and 102110220204.

It is not an unprimeable number, because it can be changed into a prime (102110220209) 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, 3646837 + ... + 3674729.

It is an arithmetic number, because the mean of its divisors is an integer number (4967363520).

Almost surely, 2^102110220219 is an apocalyptic number.

102110220219 is a deficient number, since it is larger than the sum of its proper divisors (56845412421).

102110220219 is a wasteful number, since it uses less digits than its factorization.

102110220219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31659.

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 102110220219 in words is "one hundred two billion, one hundred ten million, two hundred twenty thousand, two hundred nineteen".