211220212022 has 8 divisors (see below), whose sum is σ = 324198465096. Its totient is φ = 103154056992.

The previous prime is 211220212009. The next prime is 211220212031. The reversal of 211220212022 is 220212022112.

It is a happy number.

211220212022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×211220212022² (a number of 23 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 3 ways as a sum of consecutive naturals, for example, 1228024403 + ... + 1228024574.

It is an arithmetic number, because the mean of its divisors is an integer number (40524808137).

Almost surely, 2^211220212022 is an apocalyptic number.

211220212022 is a deficient number, since it is larger than the sum of its proper divisors (112978253074).

211220212022 is a wasteful number, since it uses less digits than its factorization.

211220212022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2456049022.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 211220212022 its reverse (220212022112), we get a palindrome (431432234134).

The spelling of 211220212022 in words is "two hundred eleven billion, two hundred twenty million, two hundred twelve thousand, twenty-two".