121120311222 has 24 divisors (see below), whose sum is σ = 264037331064. Its totient is φ = 40125746304.

The previous prime is 121120311217. The next prime is 121120311227. The reversal of 121120311222 is 222113021121.

121120311222 is a `hidden beast` number, since 12 + 1 + 120 + 311 + 222 = 666.

It is an interprime number because it is at equal distance from previous prime (121120311217) and next prime (121120311227).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 121120311195 and 121120311204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121120311227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20637883 + ... + 20643750.

It is an arithmetic number, because the mean of its divisors is an integer number (11001555461).

Almost surely, 2^121120311222 is an apocalyptic number.

121120311222 is an abundant number, since it is smaller than the sum of its proper divisors (142917019842).

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

121120311222 is a wasteful number, since it uses less digits than its factorization.

121120311222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41281804 (or 41281801 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 121120311222 its reverse (222113021121), we get a palindrome (343233332343).

The spelling of 121120311222 in words is "one hundred twenty-one billion, one hundred twenty million, three hundred eleven thousand, two hundred twenty-two".