212101012221022 has 16 divisors (see below), whose sum is σ = 328417060608000. Its totient is φ = 102628712644920.

The previous prime is 212101012221019. The next prime is 212101012221047. The reversal of 212101012221022 is 220122210101212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5527522 + ... + 21324997.

It is an arithmetic number, because the mean of its divisors is an integer number (20526066288000).

Almost surely, 2^{212101012221022} is an apocalyptic number.

212101012221022 is a deficient number, since it is larger than the sum of its proper divisors (116316048386978).

212101012221022 is a wasteful number, since it uses less digits than its factorization.

212101012221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26979951.

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

Adding to 212101012221022 its reverse (220122210101212), we get a palindrome (432223222322234).

The spelling of 212101012221022 in words is "two hundred twelve trillion, one hundred one billion, twelve million, two hundred twenty-one thousand, twenty-two".