2110021212210 has 64 divisors (see below), whose sum is σ = 5205392318592. Its totient is φ = 546993893376.

The previous prime is 2110021212203. The next prime is 2110021212217. The reversal of 2110021212210 is 122121200112.

It is an interprime number because it is at equal distance from previous prime (2110021212203) and next prime (2110021212217).

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 2110021212210.

It is not an unprimeable number, because it can be changed into a prime (2110021212217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 473682 + ... + 2108178.

It is an arithmetic number, because the mean of its divisors is an integer number (81334254978).

Almost surely, 2^{2110021212210} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2110021212210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2602696159296).

2110021212210 is an abundant number, since it is smaller than the sum of its proper divisors (3095371106382).

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

2110021212210 is a wasteful number, since it uses less digits than its factorization.

2110021212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635707.

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

Adding to 2110021212210 its reverse (122121200112), we get a palindrome (2232142412322).

The spelling of 2110021212210 in words is "two trillion, one hundred ten billion, twenty-one million, two hundred twelve thousand, two hundred ten".