11122021012212 has 48 divisors (see below), whose sum is σ = 31456221048000. Its totient is φ = 3370309397280.

The previous prime is 11122021012189. The next prime is 11122021012213. The reversal of 11122021012212 is 21221012022111.

11122021012212 is a `hidden beast` number, since 1 + 11 + 220 + 210 + 1 + 221 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122021012213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4680984087 + ... + 4680986462.

It is an arithmetic number, because the mean of its divisors is an integer number (655337938500).

Almost surely, 2^{11122021012212} is an apocalyptic number.

11122021012212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11122021012212 is an abundant number, since it is smaller than the sum of its proper divisors (20334200035788).

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

11122021012212 is a wasteful number, since it uses less digits than its factorization.

11122021012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9361970573 (or 9361970565 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11122021012212 its reverse (21221012022111), we get a palindrome (32343033034323).

The spelling of 11122021012212 in words is "eleven trillion, one hundred twenty-two billion, twenty-one million, twelve thousand, two hundred twelve".