210211120220022 has 56 divisors (see below), whose sum is σ = 472971619707840. Its totient is φ = 70038823307760.

The previous prime is 210211120219871. The next prime is 210211120220051. The reversal of 210211120220022 is 220022021112012.

It is a happy number.

210211120220022 is a `hidden beast` number, since 210 + 21 + 11 + 202 + 200 + 22 = 666.

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 = 210211120219977 and 210211120220004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 29219622 + ... + 35696057.

Almost surely, 2^{210211120220022} is an apocalyptic number.

210211120220022 is an abundant number, since it is smaller than the sum of its proper divisors (262760499487818).

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

210211120220022 is an equidigital number, since it uses as much as digits as its factorization.

210211120220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64917920 (or 64917905 counting only the distinct ones).

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

Adding to 210211120220022 its reverse (220022021112012), we get a palindrome (430233141332034).

The spelling of 210211120220022 in words is "two hundred ten trillion, two hundred eleven billion, one hundred twenty million, two hundred twenty thousand, twenty-two".