2111022210210 has 64 divisors (see below), whose sum is σ = 5206317524352. Its totient is φ = 547415940096.

The previous prime is 2111022210203. The next prime is 2111022210229. The reversal of 2111022210210 is 120122201112.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2111022210210.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1437349 + ... + 2507591.

It is an arithmetic number, because the mean of its divisors is an integer number (81348711318).

Almost surely, 2^{2111022210210} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2111022210210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2603158762176).

2111022210210 is an abundant number, since it is smaller than the sum of its proper divisors (3095295314142).

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

2111022210210 is a wasteful number, since it uses less digits than its factorization.

2111022210210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072067.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2111022210210 its reverse (120122201112), we get a palindrome (2231144411322).

It can be divided in two parts, 2111022 and 210210, that added together give a palindrome (2321232).

The spelling of 2111022210210 in words is "two trillion, one hundred eleven billion, twenty-two million, two hundred ten thousand, two hundred ten".