1111121010212 has 12 divisors (see below), whose sum is σ = 1957511847900. Its totient is φ = 551831910816.

The previous prime is 1111121010193. The next prime is 1111121010277. The reversal of 1111121010212 is 2120101211111.

It can be written as a sum of positive squares in 2 ways, for example, as 467669970496 + 643451039716 = 683864^2 + 802154^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 932147903 + ... + 932149094.

It is an arithmetic number, because the mean of its divisors is an integer number (163125987325).

Almost surely, 2^{1111121010212} is an apocalyptic number.

It is an amenable number.

1111121010212 is a deficient number, since it is larger than the sum of its proper divisors (846390837688).

1111121010212 is a wasteful number, since it uses less digits than its factorization.

1111121010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864297150 (or 1864297148 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1111121010212 its reverse (2120101211111), we get a palindrome (3231222221323).

The spelling of 1111121010212 in words is "one trillion, one hundred eleven billion, one hundred twenty-one million, ten thousand, two hundred twelve".