211020222122010 has 96 divisors (see below), whose sum is σ = 631239782659200. Its totient is φ = 47909480897664.

The previous prime is 211020222121963. The next prime is 211020222122069. The reversal of 211020222122010 is 10221222020112.

It is a happy number.

211020222122010 is a `hidden beast` number, since 2 + 1 + 10 + 202 + 221 + 220 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1123908592 + ... + 1124096331.

It is an arithmetic number, because the mean of its divisors is an integer number (6575414402700).

Almost surely, 2^{211020222122010} is an apocalyptic number.

211020222122010 is an abundant number, since it is smaller than the sum of its proper divisors (420219560537190).

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

211020222122010 is a wasteful number, since it uses less digits than its factorization.

211020222122010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2248005092 (or 2248005089 counting only the distinct ones).

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

Adding to 211020222122010 its reverse (10221222020112), we get a palindrome (221241444142122).

The spelling of 211020222122010 in words is "two hundred eleven trillion, twenty billion, two hundred twenty-two million, one hundred twenty-two thousand, ten".