211212010202022 has 24 divisors (see below), whose sum is σ = 458007059638440. Its totient is φ = 70345382241600.

The previous prime is 211212010201979. The next prime is 211212010202033. The reversal of 211212010202022 is 220202010212112.

It is a happy number.

It is a super-2 number, since 2×211212010202022² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 211212010201986 and 211212010202004.

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 11 ways as a sum of consecutive naturals, for example, 4885074372 + ... + 4885117607.

It is an arithmetic number, because the mean of its divisors is an integer number (19083627484935).

Almost surely, 2^{211212010202022} is an apocalyptic number.

211212010202022 is an abundant number, since it is smaller than the sum of its proper divisors (246795049436418).

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

211212010202022 is a wasteful number, since it uses less digits than its factorization.

211212010202022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9770193188 (or 9770193185 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 211212010202022 its reverse (220202010212112), we get a palindrome (431414020414134).

The spelling of 211212010202022 in words is "two hundred eleven trillion, two hundred twelve billion, ten million, two hundred two thousand, twenty-two".