102121202222 has 32 divisors (see below), whose sum is σ = 166357455264. Its totient is φ = 46735603200.

The previous prime is 102121202221. The next prime is 102121202263. The reversal of 102121202222 is 222202121201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 102121202222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102121202221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4487978 + ... + 4510674.

It is an arithmetic number, because the mean of its divisors is an integer number (5198670477).

Almost surely, 2^102121202222 is an apocalyptic number.

102121202222 is a deficient number, since it is larger than the sum of its proper divisors (64236253042).

102121202222 is a wasteful number, since it uses less digits than its factorization.

102121202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24164.

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

Adding to 102121202222 its reverse (222202121201), we get a palindrome (324323323423).

The spelling of 102121202222 in words is "one hundred two billion, one hundred twenty-one million, two hundred two thousand, two hundred twenty-two".