211020021022 has 8 divisors (see below), whose sum is σ = 316587777336. Its totient is φ = 105490761912.

The previous prime is 211020021013. The next prime is 211020021031. The reversal of 211020021022 is 220120020112.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (211020021013) and next prime (211020021031).

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 = 211020020993 and 211020021011.

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, 9610593 + ... + 9632524.

It is an arithmetic number, because the mean of its divisors is an integer number (39573472167).

Almost surely, 2^211020021022 is an apocalyptic number.

211020021022 is a deficient number, since it is larger than the sum of its proper divisors (105567756314).

211020021022 is a wasteful number, since it uses less digits than its factorization.

211020021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19248602.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 211020021022 its reverse (220120020112), we get a palindrome (431140041134).

The spelling of 211020021022 in words is "two hundred eleven billion, twenty million, twenty-one thousand, twenty-two".