121211022124 has 12 divisors (see below), whose sum is σ = 212141846448. Its totient is φ = 60599066000.

The previous prime is 121211022089. The next prime is 121211022167. The reversal of 121211022124 is 421220112121.

It is a super-2 number, since 2×121211022124² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1568827 + ... + 1644274.

It is an arithmetic number, because the mean of its divisors is an integer number (17678487204).

Almost surely, 2^121211022124 is an apocalyptic number.

It is an amenable number.

121211022124 is a deficient number, since it is larger than the sum of its proper divisors (90930824324).

121211022124 is a wasteful number, since it uses less digits than its factorization.

121211022124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3222536 (or 3222534 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 121211022124 its reverse (421220112121), we get a palindrome (542431134245).

The spelling of 121211022124 in words is "one hundred twenty-one billion, two hundred eleven million, twenty-two thousand, one hundred twenty-four".