1000210122220 has 24 divisors (see below), whose sum is σ = 2124041724000. Its totient is φ = 395588721792.

The previous prime is 1000210122211. The next prime is 1000210122227. The reversal of 1000210122220 is 222210120001.

It is a happy number.

1000210122220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1000210122220.

It is not an unprimeable number, because it can be changed into a prime (1000210122227) 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, 280956120 + ... + 280959679.

It is an arithmetic number, because the mean of its divisors is an integer number (88501738500).

Almost surely, 2^{1000210122220} is an apocalyptic number.

1000210122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000210122220 is an abundant number, since it is smaller than the sum of its proper divisors (1123831601780).

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

1000210122220 is a wasteful number, since it uses less digits than its factorization.

1000210122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561915897 (or 561915895 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1000210122220 its reverse (222210120001), we get a palindrome (1222420242221).

The spelling of 1000210122220 in words is "one trillion, two hundred ten million, one hundred twenty-two thousand, two hundred twenty".