121211201122 has 64 divisors (see below), whose sum is σ = 204081596928. Its totient is φ = 53521920000.

The previous prime is 121211201117. The next prime is 121211201171. The reversal of 121211201122 is 221102112121.

It is a junction number, because it is equal to n+sod(n) for n = 121211201096 and 121211201105.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99926188 + ... + 99927400.

It is an arithmetic number, because the mean of its divisors is an integer number (3188774952).

Almost surely, 2^121211201122 is an apocalyptic number.

121211201122 is a deficient number, since it is larger than the sum of its proper divisors (82870395806).

121211201122 is a wasteful number, since it uses less digits than its factorization.

121211201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121211201122 its reverse (221102112121), we get a palindrome (342313313243).

The spelling of 121211201122 in words is "one hundred twenty-one billion, two hundred eleven million, two hundred one thousand, one hundred twenty-two".