212011001022 has 32 divisors (see below), whose sum is σ = 450758171520. Its totient is φ = 66287959200.

The previous prime is 212011001021. The next prime is 212011001057. The reversal of 212011001022 is 220100110212.

It is a junction number, because it is equal to n+sod(n) for n = 212011000989 and 212011001007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212011001021) 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, 9195148 + ... + 9218175.

It is an arithmetic number, because the mean of its divisors is an integer number (14086192860).

Almost surely, 2^212011001022 is an apocalyptic number.

212011001022 is an abundant number, since it is smaller than the sum of its proper divisors (238747170498).

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

212011001022 is a wasteful number, since it uses less digits than its factorization.

212011001022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18413448.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 212011001022 its reverse (220100110212), we get a palindrome (432111111234).

The spelling of 212011001022 in words is "two hundred twelve billion, eleven million, one thousand, twenty-two".