211212102201022 has 16 divisors (see below), whose sum is σ = 343094863058640. Its totient is φ = 96937913685312.

The previous prime is 211212102201017. The next prime is 211212102201041. The reversal of 211212102201022 is 220102201212112.

It is a super-2 number, since 2×211212102201022² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22691454543 + ... + 22691463850.

It is an arithmetic number, because the mean of its divisors is an integer number (21443428941165).

Almost surely, 2^{211212102201022} is an apocalyptic number.

211212102201022 is a deficient number, since it is larger than the sum of its proper divisors (131882760857618).

211212102201022 is a wasteful number, since it uses less digits than its factorization.

211212102201022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45382918587.

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

Adding to 211212102201022 its reverse (220102201212112), we get a palindrome (431314303413134).

The spelling of 211212102201022 in words is "two hundred eleven trillion, two hundred twelve billion, one hundred two million, two hundred one thousand, twenty-two".