121100022212 has 24 divisors (see below), whose sum is σ = 228408364800. Its totient is φ = 55847893536.

The previous prime is 121100022203. The next prime is 121100022283. The reversal of 121100022212 is 212220001121.

121100022212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×121100022212³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 859412 + ... + 990347.

It is an arithmetic number, because the mean of its divisors is an integer number (9517015200).

Almost surely, 2^121100022212 is an apocalyptic number.

It is an amenable number.

121100022212 is a deficient number, since it is larger than the sum of its proper divisors (107308342588).

121100022212 is a wasteful number, since it uses less digits than its factorization.

121100022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851035 (or 1851033 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121100022212 its reverse (212220001121), we get a palindrome (333320023333).

The spelling of 121100022212 in words is "one hundred twenty-one billion, one hundred million, twenty-two thousand, two hundred twelve".