1101210311111 has 8 divisors (see below), whose sum is σ = 1127806939248. Its totient is φ = 1074889296000.

The previous prime is 1101210311059. The next prime is 1101210311141. The reversal of 1101210311111 is 1111130121011.

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

It is not a de Polignac number, because 1101210311111 - 2²² = 1101206116807 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 (1101210311141) 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, 68895170 + ... + 68911151.

It is an arithmetic number, because the mean of its divisors is an integer number (140975867406).

Almost surely, 2^{1101210311111} is an apocalyptic number.

1101210311111 is a deficient number, since it is larger than the sum of its proper divisors (26596628137).

1101210311111 is a wasteful number, since it uses less digits than its factorization.

1101210311111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137806513.

The product of its (nonzero) digits is 6, while the sum is 14.

Adding to 1101210311111 its reverse (1111130121011), we get a palindrome (2212340432122).

The spelling of 1101210311111 in words is "one trillion, one hundred one billion, two hundred ten million, three hundred eleven thousand, one hundred eleven".