210020121222110 has 128 divisors (see below), whose sum is σ = 393745067089920. Its totient is φ = 80558747748864.

The previous prime is 210020121222101. The next prime is 210020121222193. The reversal of 210020121222110 is 11222121020012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 82135360952 + ... + 82135363508.

It is an arithmetic number, because the mean of its divisors is an integer number (3076133336640).

Almost surely, 2^{210020121222110} is an apocalyptic number.

210020121222110 is a deficient number, since it is larger than the sum of its proper divisors (183724945867810).

210020121222110 is a wasteful number, since it uses less digits than its factorization.

210020121222110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5290.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 210020121222110 its reverse (11222121020012), we get a palindrome (221242242242122).

The spelling of 210020121222110 in words is "two hundred ten trillion, twenty billion, one hundred twenty-one million, two hundred twenty-two thousand, one hundred ten".