121012102222 has 16 divisors (see below), whose sum is σ = 198046224432. Its totient is φ = 54998161920.

The previous prime is 121012102207. The next prime is 121012102229. The reversal of 121012102222 is 222201210121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121012102196 and 121012102205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121012102229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196563 + ... + 529774.

It is an arithmetic number, because the mean of its divisors is an integer number (12377889027).

Almost surely, 2^121012102222 is an apocalyptic number.

121012102222 is a deficient number, since it is larger than the sum of its proper divisors (77034122210).

121012102222 is a wasteful number, since it uses less digits than its factorization.

121012102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733923.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 121012102222 its reverse (222201210121), we get a palindrome (343213312343).

The spelling of 121012102222 in words is "one hundred twenty-one billion, twelve million, one hundred two thousand, two hundred twenty-two".