210020021222110 has 32 divisors (see below), whose sum is σ = 412417038523392. Its totient is φ = 76368307963680.

The previous prime is 210020021222009. The next prime is 210020021222131. The reversal of 210020021222110 is 11222120020012.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29374342 + ... + 35817481.

It is an arithmetic number, because the mean of its divisors is an integer number (12888032453856).

Almost surely, 2^{210020021222110} is an apocalyptic number.

210020021222110 is a deficient number, since it is larger than the sum of its proper divisors (202397017301282).

210020021222110 is a wasteful number, since it uses less digits than its factorization.

210020021222110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65221128.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 210020021222110 its reverse (11222120020012), we get a palindrome (221242141242122).

The spelling of 210020021222110 in words is "two hundred ten trillion, twenty billion, twenty-one million, two hundred twenty-two thousand, one hundred ten".