1101201021111 has 8 divisors (see below), whose sum is σ = 1468405407744. Its totient is φ = 734065324280.

The previous prime is 1101201021031. The next prime is 1101201021119. The reversal of 1101201021111 is 1111201021011.

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

It is a cyclic number.

It is not a de Polignac number, because 1101201021111 - 2¹⁴ = 1101201004727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101201021119) 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, 17135031 + ... + 17199176.

It is an arithmetic number, because the mean of its divisors is an integer number (183550675968).

Almost surely, 2^{1101201021111} is an apocalyptic number.

1101201021111 is a deficient number, since it is larger than the sum of its proper divisors (367204386633).

1101201021111 is a wasteful number, since it uses less digits than its factorization.

1101201021111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34344901.

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

Adding to 1101201021111 its reverse (1111201021011), we get a palindrome (2212402042122).

The spelling of 1101201021111 in words is "one trillion, one hundred one billion, two hundred one million, twenty-one thousand, one hundred eleven".