1100021210111 has 8 divisors (see below), whose sum is σ = 1107362990160. Its totient is φ = 1092683674368.

The previous prime is 1100021210087. The next prime is 1100021210117. The reversal of 1100021210111 is 1110121200011.

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 1100021210111 - 2¹⁴ = 1100021193727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100021210092 and 1100021210101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100021210117) 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, 540146 + ... + 1578543.

It is an arithmetic number, because the mean of its divisors is an integer number (138420373770).

Almost surely, 2^{1100021210111} is an apocalyptic number.

1100021210111 is a deficient number, since it is larger than the sum of its proper divisors (7341780049).

1100021210111 is a wasteful number, since it uses less digits than its factorization.

1100021210111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2122153.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1100021210111 its reverse (1110121200011), we get a palindrome (2210142410122).

The spelling of 1100021210111 in words is "one trillion, one hundred billion, twenty-one million, two hundred ten thousand, one hundred eleven".