102020112119 has 4 divisors (see below), whose sum is σ = 102034971240. Its totient is φ = 102005253000.

The previous prime is 102020112109. The next prime is 102020112149. The reversal of 102020112119 is 911211020201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102020112119 - 2¹² = 102020108023 is a prime.

It is a super-2 number, since 2×102020112119² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102020112119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102020112109) 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, 7419257 + ... + 7432994.

It is an arithmetic number, because the mean of its divisors is an integer number (25508742810).

Almost surely, 2^102020112119 is an apocalyptic number.

102020112119 is a deficient number, since it is larger than the sum of its proper divisors (14859121).

102020112119 is an equidigital number, since it uses as much as digits as its factorization.

102020112119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14859120.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 102020112119 in words is "one hundred two billion, twenty million, one hundred twelve thousand, one hundred nineteen".