1100211021111 has 8 divisors (see below), whose sum is σ = 1506595272304. Its totient is φ = 713650392000.

The previous prime is 1100211021073. The next prime is 1100211021223. The reversal of 1100211021111 is 1111201120011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1100211021111 - 2¹³ = 1100211012919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100211021011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4955905390 + ... + 4955905611.

It is an arithmetic number, because the mean of its divisors is an integer number (188324409038).

Almost surely, 2^{1100211021111} is an apocalyptic number.

1100211021111 is a deficient number, since it is larger than the sum of its proper divisors (406384251193).

1100211021111 is an equidigital number, since it uses as much as digits as its factorization.

1100211021111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9911811041.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1100211021111 its reverse (1111201120011), we get a palindrome (2211412141122).

The spelling of 1100211021111 in words is "one trillion, one hundred billion, two hundred eleven million, twenty-one thousand, one hundred eleven".