121222200102 has 16 divisors (see below), whose sum is σ = 246418899312. Its totient is φ = 39744983520.

The previous prime is 121222200053. The next prime is 121222200133. The reversal of 121222200102 is 201002222121.

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, 165603733 + ... + 165604464.

It is an arithmetic number, because the mean of its divisors is an integer number (15401181207).

Almost surely, 2^121222200102 is an apocalyptic number.

121222200102 is an abundant number, since it is smaller than the sum of its proper divisors (125196699210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121222200102 is a wasteful number, since it uses less digits than its factorization.

121222200102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331208263.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 121222200102 its reverse (201002222121), we get a palindrome (322224422223).

The spelling of 121222200102 in words is "one hundred twenty-one billion, two hundred twenty-two million, two hundred thousand, one hundred two".