212001101022 has 32 divisors (see below), whose sum is σ = 432335141280. Its totient is φ = 69280265600.

The previous prime is 212001100973. The next prime is 212001101023. The reversal of 212001101022 is 220101100212.

It is a junction number, because it is equal to n+sod(n) for n = 212001100989 and 212001101007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212001101023) 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, 157504 + ... + 669932.

It is an arithmetic number, because the mean of its divisors is an integer number (13510473165).

Almost surely, 2^212001101022 is an apocalyptic number.

212001101022 is an abundant number, since it is smaller than the sum of its proper divisors (220334040258).

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

212001101022 is a wasteful number, since it uses less digits than its factorization.

212001101022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513788.

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

Adding to 212001101022 its reverse (220101100212), we get a palindrome (432102201234).

The spelling of 212001101022 in words is "two hundred twelve billion, one million, one hundred one thousand, twenty-two".