1101210001111 has 24 divisors (see below), whose sum is σ = 1247642697600. Its totient is φ = 963883982880.

The previous prime is 1101210001049. The next prime is 1101210001159. The reversal of 1101210001111 is 1111000121011.

It is not a de Polignac number, because 1101210001111 - 2²⁷ = 1101075783383 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 (1101210001211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3155320 + ... + 3486898.

It is an arithmetic number, because the mean of its divisors is an integer number (51985112400).

Almost surely, 2^{1101210001111} is an apocalyptic number.

1101210001111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1101210001111 is a deficient number, since it is larger than the sum of its proper divisors (146432696489).

1101210001111 is a wasteful number, since it uses less digits than its factorization.

1101210001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332007 (or 331978 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 1101210001111 its reverse (1111000121011), we get a palindrome (2212210122122).

The spelling of 1101210001111 in words is "one trillion, one hundred one billion, two hundred ten million, one thousand, one hundred eleven".