212102121201022 has 96 divisors (see below), whose sum is σ = 364396211706240. Its totient is φ = 92026170263040.

The previous prime is 212102121201017. The next prime is 212102121201083. The reversal of 212102121201022 is 220102121201212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29027247093 + ... + 29027254399.

It is an arithmetic number, because the mean of its divisors is an integer number (3795793871940).

Almost surely, 2^{212102121201022} is an apocalyptic number.

212102121201022 is a deficient number, since it is larger than the sum of its proper divisors (152294090505218).

212102121201022 is a wasteful number, since it uses less digits than its factorization.

212102121201022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11386 (or 11369 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212102121201022 its reverse (220102121201212), we get a palindrome (432204242402234).

The spelling of 212102121201022 in words is "two hundred twelve trillion, one hundred two billion, one hundred twenty-one million, two hundred one thousand, twenty-two".