111002021021111 has 8 divisors (see below), whose sum is σ = 121103352683904. Its totient is φ = 100902395832120.

The previous prime is 111002021021039. The next prime is 111002021021119. The reversal of 111002021021111 is 111120120200111.

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 111002021021111 - 2¹⁴ = 111002021004727 is a prime.

It is a super-2 number, since 2×111002021021111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111002021021119) 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, 426482435 + ... + 426742628.

It is an arithmetic number, because the mean of its divisors is an integer number (15137919085488).

Almost surely, 2^{111002021021111} is an apocalyptic number.

111002021021111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111002021021111 is a deficient number, since it is larger than the sum of its proper divisors (10101331662793).

111002021021111 is a wasteful number, since it uses less digits than its factorization.

111002021021111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853236901.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111002021021111 its reverse (111120120200111), we get a palindrome (222122141221222).

The spelling of 111002021021111 in words is "one hundred eleven trillion, two billion, twenty-one million, twenty-one thousand, one hundred eleven".