11212110022 has 8 divisors (see below), whose sum is σ = 16818688656. Its totient is φ = 5605880472.

The previous prime is 11212110001. The next prime is 11212110031. The reversal of 11212110022 is 22001121211.

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

It is a super-2 number, since 2×11212110022² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11212109984 and 11212110011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18823 + ... + 150925.

It is an arithmetic number, because the mean of its divisors is an integer number (2102336082).

Almost surely, 2^11212110022 is an apocalyptic number.

11212110022 is a deficient number, since it is larger than the sum of its proper divisors (5606578634).

11212110022 is a wasteful number, since it uses less digits than its factorization.

11212110022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174542.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11212110022 its reverse (22001121211), we get a palindrome (33213231233).

The spelling of 11212110022 in words is "eleven billion, two hundred twelve million, one hundred ten thousand, twenty-two".