121222102202102 has 16 divisors (see below), whose sum is σ = 198627572404224. Its totient is φ = 55027585425000.

The previous prime is 121222102202099. The next prime is 121222102202111. The reversal of 121222102202102 is 201202201222121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3668489174 + ... + 3668522217.

It is an arithmetic number, because the mean of its divisors is an integer number (12414223275264).

Almost surely, 2^{121222102202102} is an apocalyptic number.

121222102202102 is a deficient number, since it is larger than the sum of its proper divisors (77405470202122).

121222102202102 is a wasteful number, since it uses less digits than its factorization.

121222102202102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7337012155.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 121222102202102 its reverse (201202201222121), we get a palindrome (322424303424223).

The spelling of 121222102202102 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, one hundred two million, two hundred two thousand, one hundred two".