211220112022 has 8 divisors (see below), whose sum is σ = 317712704400. Its totient is φ = 105315877224.

The previous prime is 211220112017. The next prime is 211220112121. The reversal of 211220112022 is 220211022112.

It is a happy number.

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

It is a super-2 number, since 2×211220112022² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211220111987 and 211220112005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147088497 + ... + 147089932.

It is an arithmetic number, because the mean of its divisors is an integer number (39714088050).

Almost surely, 2^211220112022 is an apocalyptic number.

211220112022 is a deficient number, since it is larger than the sum of its proper divisors (106492592378).

211220112022 is a wasteful number, since it uses less digits than its factorization.

211220112022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294178790.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 211220112022 its reverse (220211022112), we get a palindrome (431431134134).

The spelling of 211220112022 in words is "two hundred eleven billion, two hundred twenty million, one hundred twelve thousand, twenty-two".