1111222101012 has 24 divisors (see below), whose sum is σ = 2594096395296. Its totient is φ = 370229534688.

The previous prime is 1111222101001. The next prime is 1111222101023. The reversal of 1111222101012 is 2101012221111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1111222101001) and next prime (1111222101023).

It is a junction number, because it is equal to n+sod(n) for n = 1111222100982 and 1111222101000.

It is a congruent number.

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, 22203003 + ... + 22252994.

It is an arithmetic number, because the mean of its divisors is an integer number (108087349804).

Almost surely, 2^{1111222101012} is an apocalyptic number.

1111222101012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1111222101012 is an abundant number, since it is smaller than the sum of its proper divisors (1482874294284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1111222101012 is a wasteful number, since it uses less digits than its factorization.

1111222101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44458087 (or 44458085 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1111222101012 its reverse (2101012221111), we get a palindrome (3212234322123).

The spelling of 1111222101012 in words is "one trillion, one hundred eleven billion, two hundred twenty-two million, one hundred one thousand, twelve".