210220111121110 has 16 divisors (see below), whose sum is σ = 378396385207200. Its totient is φ = 84088003295296.

The previous prime is 210220111121089. The next prime is 210220111121113. The reversal of 210220111121110 is 11121111022012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210220111121113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24378906 + ... + 31855474.

It is an arithmetic number, because the mean of its divisors is an integer number (23649774075450).

Almost surely, 2^{210220111121110} is an apocalyptic number.

210220111121110 is a deficient number, since it is larger than the sum of its proper divisors (168176274086090).

210220111121110 is a wasteful number, since it uses less digits than its factorization.

210220111121110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10288295.

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

Adding to 210220111121110 its reverse (11121111022012), we get a palindrome (221341222143122).

The spelling of 210220111121110 in words is "two hundred ten trillion, two hundred twenty billion, one hundred eleven million, one hundred twenty-one thousand, one hundred ten".