211020010222122 has 12 divisors (see below), whose sum is σ = 457210022147970. Its totient is φ = 70340003407368.

The previous prime is 211020010222117. The next prime is 211020010222123. The reversal of 211020010222122 is 221222010020112.

It is a happy number.

211020010222122 is a `hidden beast` number, since 2 + 110 + 200 + 10 + 222 + 122 = 666.

It can be written as a sum of positive squares in only one way, i.e., 194027320738161 + 16992689483961 = 13929369^2 + 4122219^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11723333901229 = 211020010222122 / (2 + 1 + 1 + 0 + 2 + 0 + 0 + 1 + 0 + 2 + 2 + 2 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 211020010222095 and 211020010222104.

It is not an unprimeable number, because it can be changed into a prime (211020010222123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5861666950597 + ... + 5861666950632.

Almost surely, 2^{211020010222122} is an apocalyptic number.

211020010222122 is an abundant number, since it is smaller than the sum of its proper divisors (246190011925848).

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

211020010222122 is a wasteful number, since it uses less digits than its factorization.

211020010222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11723333901237 (or 11723333901234 counting only the distinct ones).

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

Adding to 211020010222122 its reverse (221222010020112), we get a palindrome (432242020242234).

The spelling of 211020010222122 in words is "two hundred eleven trillion, twenty billion, ten million, two hundred twenty-two thousand, one hundred twenty-two".