211020022 has 8 divisors (see below), whose sum is σ = 317181456. Its totient is φ = 105292872.

The previous prime is 211020001. The next prime is 211020053. The reversal of 211020022 is 220020112.

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

It is a junction number, because it is equal to n+sod(n) for n = 211019990 and 211020008.

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, 107353 + ... + 109300.

It is an arithmetic number, because the mean of its divisors is an integer number (39647682).

Almost surely, 2^211020022 is an apocalyptic number.

211020022 is a deficient number, since it is larger than the sum of its proper divisors (106161434).

211020022 is a wasteful number, since it uses less digits than its factorization.

211020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217142.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 211020022 is about 14526.5282156474. The cubic root of 211020022 is about 595.3530113360.

Adding to 211020022 its reverse (220020112), we get a palindrome (431040134).

The spelling of 211020022 in words is "two hundred eleven million, twenty thousand, twenty-two".