102020101222 has 24 divisors (see below), whose sum is σ = 168515835480. Its totient is φ = 46288120320.

The previous prime is 102020101207. The next prime is 102020101229. The reversal of 102020101222 is 222101020201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102020101229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2537979 + ... + 2577862.

It is an arithmetic number, because the mean of its divisors is an integer number (7021493145).

Almost surely, 2^102020101222 is an apocalyptic number.

102020101222 is a deficient number, since it is larger than the sum of its proper divisors (66495734258).

102020101222 is a wasteful number, since it uses less digits than its factorization.

102020101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5115928 (or 5115915 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102020101222 its reverse (222101020201), we get a palindrome (324121121423).

The spelling of 102020101222 in words is "one hundred two billion, twenty million, one hundred one thousand, two hundred twenty-two".