1111121102012 has 12 divisors (see below), whose sum is σ = 1944542437656. Its totient is φ = 555537548400.

The previous prime is 1111121101973. The next prime is 1111121102029. The reversal of 1111121102012 is 2102011211111.

It is a super-2 number, since 2×1111121102012² (a number of 25 digits) contains 22 as substring.

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, 5641739 + ... + 5835362.

It is an arithmetic number, because the mean of its divisors is an integer number (162045203138).

Almost surely, 2^{1111121102012} is an apocalyptic number.

It is an amenable number.

1111121102012 is a deficient number, since it is larger than the sum of its proper divisors (833421335644).

1111121102012 is a wasteful number, since it uses less digits than its factorization.

1111121102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11501308 (or 11501306 counting only the distinct ones).

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

Adding to 1111121102012 its reverse (2102011211111), we get a palindrome (3213132313123).

The spelling of 1111121102012 in words is "one trillion, one hundred eleven billion, one hundred twenty-one million, one hundred two thousand, twelve".