211212121002022 has 32 divisors (see below), whose sum is σ = 363986775162432. Its totient is φ = 90042351611904.

The previous prime is 211212121002017. The next prime is 211212121002041. The reversal of 211212121002022 is 220200121212112.

It is a super-2 number, since 2×211212121002022² (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 (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26510328 + ... + 33544324.

It is an arithmetic number, because the mean of its divisors is an integer number (11374586723826).

Almost surely, 2^{211212121002022} is an apocalyptic number.

211212121002022 is a deficient number, since it is larger than the sum of its proper divisors (152774654160410).

211212121002022 is a wasteful number, since it uses less digits than its factorization.

211212121002022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7045312.

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

Adding to 211212121002022 its reverse (220200121212112), we get a palindrome (431412242214134).

The spelling of 211212121002022 in words is "two hundred eleven trillion, two hundred twelve billion, one hundred twenty-one million, two thousand, twenty-two".