102110023221019 has 4 divisors (see below), whose sum is σ = 111392752604760. Its totient is φ = 92827293837280.

The previous prime is 102110023221013. The next prime is 102110023221103. The reversal of 102110023221019 is 910122320011201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102110023221019 is a prime.

It is a super-2 number, since 2×102110023221019² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102110023220984 and 102110023221002.

It is not an unprimeable number, because it can be changed into a prime (102110023221013) 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, 4641364691854 + ... + 4641364691875.

It is an arithmetic number, because the mean of its divisors is an integer number (27848188151190).

Almost surely, 2^{102110023221019} is an apocalyptic number.

102110023221019 is a deficient number, since it is larger than the sum of its proper divisors (9282729383741).

102110023221019 is an equidigital number, since it uses as much as digits as its factorization.

102110023221019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9282729383740.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 102110023221019 in words is "one hundred two trillion, one hundred ten billion, twenty-three million, two hundred twenty-one thousand, nineteen".