11112002121111 has 8 divisors (see below), whose sum is σ = 14817427622400. Its totient is φ = 7407289016952.

The previous prime is 11112002121089. The next prime is 11112002121127. The reversal of 11112002121111 is 11112120021111.

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

It is not a de Polignac number, because 11112002121111 - 2²³ = 11111993732503 is a prime.

It is a super-2 number, since 2×11112002121111² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112002121131) 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, 178062885 + ... + 178125278.

It is an arithmetic number, because the mean of its divisors is an integer number (1852178452800).

Almost surely, 2^{11112002121111} is an apocalyptic number.

11112002121111 is a deficient number, since it is larger than the sum of its proper divisors (3705425501289).

11112002121111 is a wasteful number, since it uses less digits than its factorization.

11112002121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356198565.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11112002121111 its reverse (11112120021111), we get a palindrome (22224122142222).

The spelling of 11112002121111 in words is "eleven trillion, one hundred twelve billion, two million, one hundred twenty-one thousand, one hundred eleven".