11022021022212 has 72 divisors (see below), whose sum is σ = 28791424421760. Its totient is φ = 3553034587200.

The previous prime is 11022021022163. The next prime is 11022021022283. The reversal of 11022021022212 is 21222012022011.

It is a happy number.

11022021022212 is a `hidden beast` number, since 1 + 1 + 0 + 220 + 210 + 22 + 212 = 666.

It is a super-2 number, since 2×11022021022212² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35092012 + ... + 35404707.

Almost surely, 2^{11022021022212} is an apocalyptic number.

11022021022212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11022021022212 is an abundant number, since it is smaller than the sum of its proper divisors (17769403399548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11022021022212 is a wasteful number, since it uses less digits than its factorization.

11022021022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70496873 (or 70496868 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11022021022212 its reverse (21222012022011), we get a palindrome (32244033044223).

The spelling of 11022021022212 in words is "eleven trillion, twenty-two billion, twenty-one million, twenty-two thousand, two hundred twelve".