11022032212 has 12 divisors (see below), whose sum is σ = 20423177460. Its totient is φ = 5186838656.

The previous prime is 11022032209. The next prime is 11022032243. The reversal of 11022032212 is 21223022011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9984805776 + 1037226436 = 99924^2 + 32206^2 .

It is a super-2 number, since 2×11022032212² (a number of 21 digits) contains 22 as substring.

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, 81044287 + ... + 81044422.

It is an arithmetic number, because the mean of its divisors is an integer number (1701931455).

Almost surely, 2^11022032212 is an apocalyptic number.

It is an amenable number.

11022032212 is a deficient number, since it is larger than the sum of its proper divisors (9401145248).

11022032212 is a wasteful number, since it uses less digits than its factorization.

11022032212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162088730 (or 162088728 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 11022032212 its reverse (21223022011), we get a palindrome (32245054223).

The spelling of 11022032212 in words is "eleven billion, twenty-two million, thirty-two thousand, two hundred twelve".