2122021200210 has 64 divisors (see below), whose sum is σ = 5232921819264. Its totient is φ = 550323072000.

The previous prime is 2122021200197. The next prime is 2122021200223. The reversal of 2122021200210 is 120021202212.

It is an interprime number because it is at equal distance from previous prime (2122021200197) and next prime (2122021200223).

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 2122021200210.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1956385 + ... + 2841035.

It is an arithmetic number, because the mean of its divisors is an integer number (81764403426).

Almost surely, 2^{2122021200210} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2122021200210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2616460909632).

2122021200210 is an abundant number, since it is smaller than the sum of its proper divisors (3110900619054).

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

2122021200210 is a wasteful number, since it uses less digits than its factorization.

2122021200210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886859.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2122021200210 its reverse (120021202212), we get a palindrome (2242042402422).

The spelling of 2122021200210 in words is "two trillion, one hundred twenty-two billion, twenty-one million, two hundred thousand, two hundred ten".