1101211011000 has 128 divisors (see below), whose sum is σ = 3817531598400. Its totient is φ = 293656262400.

The previous prime is 1101211010987. The next prime is 1101211011001. The reversal of 1101211011000 is 1101121011.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101211011001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20365797 + ... + 20419796.

Almost surely, 2^{1101211011000} is an apocalyptic number.

1101211011000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101211011000 is an abundant number, since it is smaller than the sum of its proper divisors (2716320587400).

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

1101211011000 is a wasteful number, since it uses less digits than its factorization.

1101211011000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40785623 (or 40785603 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 1101211011000 its reverse (1101121011), we get a palindrome (1102312132011).

The spelling of 1101211011000 in words is "one trillion, one hundred one billion, two hundred eleven million, eleven thousand".