121102211022 has 16 divisors (see below), whose sum is σ = 260835531600. Its totient is φ = 37262218752.

The previous prime is 121102211003. The next prime is 121102211057. The reversal of 121102211022 is 220112201121.

It is a junction number, because it is equal to n+sod(n) for n = 121102210992 and 121102211010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 776296147 + ... + 776296302.

It is an arithmetic number, because the mean of its divisors is an integer number (16302220725).

Almost surely, 2^121102211022 is an apocalyptic number.

121102211022 is an abundant number, since it is smaller than the sum of its proper divisors (139733320578).

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

121102211022 is a wasteful number, since it uses less digits than its factorization.

121102211022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552592467.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121102211022 its reverse (220112201121), we get a palindrome (341214412143).

Subtracting 121102211022 from its reverse (220112201121), we obtain a palindrome (99009990099).

The spelling of 121102211022 in words is "one hundred twenty-one billion, one hundred two million, two hundred eleven thousand, twenty-two".