11102212021 has 8 divisors (see below), whose sum is σ = 11154398400. Its totient is φ = 11050054848.

The previous prime is 11102211983. The next prime is 11102212027. The reversal of 11102212021 is 12021220111.

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 11102212021 - 2²³ = 11093823413 is a prime.

It is a super-2 number, since 2×11102212021² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11102211992 and 11102212010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102212027) 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, 1250205 + ... + 1259053.

It is an arithmetic number, because the mean of its divisors is an integer number (1394299800).

Almost surely, 2^11102212021 is an apocalyptic number.

It is an amenable number.

11102212021 is a deficient number, since it is larger than the sum of its proper divisors (52186379).

11102212021 is an equidigital number, since it uses as much as digits as its factorization.

11102212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14603.

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

Adding to 11102212021 its reverse (12021220111), we get a palindrome (23123432132).

The spelling of 11102212021 in words is "eleven billion, one hundred two million, two hundred twelve thousand, twenty-one".