1111012270900 has 144 divisors (see below), whose sum is σ = 2797923171456. Its totient is φ = 375033415680.

The previous prime is 1111012270897. The next prime is 1111012270933. The reversal of 1111012270900 is 90722101111.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 107724144 + ... + 107734456.

It is an arithmetic number, because the mean of its divisors is an integer number (19430022024).

Almost surely, 2^{1111012270900} is an apocalyptic number.

1111012270900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1111012270900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1398961585728).

1111012270900 is an abundant number, since it is smaller than the sum of its proper divisors (1686910900556).

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

1111012270900 is a wasteful number, since it uses less digits than its factorization.

1111012270900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12698 (or 12691 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 25.

The spelling of 1111012270900 in words is "one trillion, one hundred eleven billion, twelve million, two hundred seventy thousand, nine hundred".