102101020202222 has 4 divisors (see below), whose sum is σ = 153151530303336. Its totient is φ = 51050510101110.

The previous prime is 102101020202191. The next prime is 102101020202317. The reversal of 102101020202222 is 222202020101201.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 102101020202222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25525255050554 + ... + 25525255050557.

It is an arithmetic number, because the mean of its divisors is an integer number (38287882575834).

Almost surely, 2^{102101020202222} is an apocalyptic number.

102101020202222 is a deficient number, since it is larger than the sum of its proper divisors (51050510101114).

102101020202222 is an equidigital number, since it uses as much as digits as its factorization.

102101020202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51050510101113.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 102101020202222 its reverse (222202020101201), we get a palindrome (324303040303423).

The spelling of 102101020202222 in words is "one hundred two trillion, one hundred one billion, twenty million, two hundred two thousand, two hundred twenty-two".