11212002012111 has 8 divisors (see below), whose sum is σ = 14956318432944. Its totient is φ = 7471176799680.

The previous prime is 11212002012067. The next prime is 11212002012139. The reversal of 11212002012111 is 11121020021211.

It is a happy number.

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

It is not a de Polignac number, because 11212002012111 - 2⁷ = 11212002011983 is a prime.

It is a super-2 number, since 2×11212002012111² (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 (11212002012511) 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, 872794606 + ... + 872807451.

It is an arithmetic number, because the mean of its divisors is an integer number (1869539804118).

Almost surely, 2^{11212002012111} is an apocalyptic number.

11212002012111 is a deficient number, since it is larger than the sum of its proper divisors (3744316420833).

11212002012111 is a wasteful number, since it uses less digits than its factorization.

11212002012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745604201.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11212002012111 its reverse (11121020021211), we get a palindrome (22333022033322).

The spelling of 11212002012111 in words is "eleven trillion, two hundred twelve billion, two million, twelve thousand, one hundred eleven".