1100021010111 has 16 divisors (see below), whose sum is σ = 1630270993920. Its totient is φ = 733072732920.

The previous prime is 1100021010061. The next prime is 1100021010119. The reversal of 1100021010111 is 1110101200011.

It is not a de Polignac number, because 1100021010111 - 2⁶ = 1100021010047 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 1100021010093 and 1100021010102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100021010119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7554525 + ... + 7698758.

It is an arithmetic number, because the mean of its divisors is an integer number (101891937120).

Almost surely, 2^{1100021010111} is an apocalyptic number.

1100021010111 is a deficient number, since it is larger than the sum of its proper divisors (530249983809).

1100021010111 is a wasteful number, since it uses less digits than its factorization.

1100021010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15255963 (or 15255957 counting only the distinct ones).

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

Adding to 1100021010111 its reverse (1110101200011), we get a palindrome (2210122210122).

The spelling of 1100021010111 in words is "one trillion, one hundred billion, twenty-one million, ten thousand, one hundred eleven".