212102011121022 has 24 divisors (see below), whose sum is σ = 501332026286520. Its totient is φ = 64273336703280.

The previous prime is 212102011120913. The next prime is 212102011121089. The reversal of 212102011121022 is 220121110201212.

212102011121022 is a `hidden beast` number, since 21 + 210 + 201 + 1 + 1 + 210 + 22 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 212102011120986 and 212102011121004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 535611138997 + ... + 535611139392.

It is an arithmetic number, because the mean of its divisors is an integer number (20888834428605).

Almost surely, 2^{212102011121022} is an apocalyptic number.

212102011121022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212102011121022 is an abundant number, since it is smaller than the sum of its proper divisors (289230015165498).

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

212102011121022 is a wasteful number, since it uses less digits than its factorization.

212102011121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071222278408 (or 1071222278405 counting only the distinct ones).

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

Adding to 212102011121022 its reverse (220121110201212), we get a palindrome (432223121322234).

The spelling of 212102011121022 in words is "two hundred twelve trillion, one hundred two billion, eleven million, one hundred twenty-one thousand, twenty-two".