211112220221022 has 16 divisors (see below), whose sum is σ = 423356409455760. Its totient is φ = 70182078571392.

The previous prime is 211112220220991. The next prime is 211112220221053. The reversal of 211112220221022 is 220122022211112.

It is an interprime number because it is at equal distance from previous prime (211112220220991) and next prime (211112220221053).

It is a self number, because there is not a number n which added to its sum of digits gives 211112220221022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47165373147 + ... + 47165377622.

It is an arithmetic number, because the mean of its divisors is an integer number (26459775590985).

Almost surely, 2^{211112220221022} is an apocalyptic number.

211112220221022 is an abundant number, since it is smaller than the sum of its proper divisors (212244189234738).

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

211112220221022 is a wasteful number, since it uses less digits than its factorization.

211112220221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94330751147.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 211112220221022 its reverse (220122022211112), we get a palindrome (431234242432134).

The spelling of 211112220221022 in words is "two hundred eleven trillion, one hundred twelve billion, two hundred twenty million, two hundred twenty-one thousand, twenty-two".