1111022103100 has 144 divisors (see below), whose sum is σ = 3015929148736. Its totient is φ = 345855744000.

The previous prime is 1111022103073. The next prime is 1111022103101. The reversal of 1111022103100 is 13012201111.

It is a happy number.

It is a super-2 number, since 2×1111022103100² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111022103101) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 445641 + ... + 1555840.

Almost surely, 2^{1111022103100} is an apocalyptic number.

1111022103100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111022103100 is an abundant number, since it is smaller than the sum of its proper divisors (1904907045636).

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

1111022103100 is a wasteful number, since it uses less digits than its factorization.

1111022103100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001576 (or 2001569 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1111022103100 its reverse (13012201111), we get a palindrome (1124034304211).

The spelling of 1111022103100 in words is "one trillion, one hundred eleven billion, twenty-two million, one hundred three thousand, one hundred".