1110221120212 has 6 divisors (see below), whose sum is σ = 1942886960378. Its totient is φ = 555110560104.

The previous prime is 1110221120207. The next prime is 1110221120231. The reversal of 1110221120212 is 2120211220111.

It can be written as a sum of positive squares in only one way, i.e., 937926393156 + 172294727056 = 968466^2 + 415084^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138777640023 + ... + 138777640030.

Almost surely, 2^{1110221120212} is an apocalyptic number.

It is an amenable number.

1110221120212 is a deficient number, since it is larger than the sum of its proper divisors (832665840166).

1110221120212 is a wasteful number, since it uses less digits than its factorization.

1110221120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277555280057 (or 277555280055 counting only the distinct ones).

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

Adding to 1110221120212 its reverse (2120211220111), we get a palindrome (3230432340323).

The spelling of 1110221120212 in words is "one trillion, one hundred ten billion, two hundred twenty-one million, one hundred twenty thousand, two hundred twelve".