102111022 has 8 divisors (see below), whose sum is σ = 164948616. Its totient is φ = 47128152.

The previous prime is 102110971. The next prime is 102111029. The reversal of 102111022 is 220111201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102111029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1963648 + ... + 1963699.

It is an arithmetic number, because the mean of its divisors is an integer number (20618577).

Almost surely, 2^102111022 is an apocalyptic number.

102111022 is a deficient number, since it is larger than the sum of its proper divisors (62837594).

102111022 is a wasteful number, since it uses less digits than its factorization.

102111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3927362.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 102111022 is about 10104.9998515586. Note that the first 3 decimals coincide. The cubic root of 102111022 is about 467.4023313941.

Adding to 102111022 its reverse (220111201), we get a palindrome (322222223).

The spelling of 102111022 in words is "one hundred two million, one hundred eleven thousand, twenty-two".