1122100220212 has 12 divisors (see below), whose sum is σ = 1963849441120. Its totient is φ = 561000379896.

The previous prime is 1122100220201. The next prime is 1122100220243. The reversal of 1122100220212 is 2120220012211.

It is a happy number.

It is a congruent number.

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, 12381762 + ... + 12472057.

Almost surely, 2^{1122100220212} is an apocalyptic number.

It is an amenable number.

1122100220212 is a deficient number, since it is larger than the sum of its proper divisors (841749220908).

1122100220212 is a wasteful number, since it uses less digits than its factorization.

1122100220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24865110 (or 24865108 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1122100220212 its reverse (2120220012211), we get a palindrome (3242320232423).

The spelling of 1122100220212 in words is "one trillion, one hundred twenty-two billion, one hundred million, two hundred twenty thousand, two hundred twelve".