1020221100210 has 64 divisors (see below), whose sum is σ = 2637208264320. Its totient is φ = 251100003840.

The previous prime is 1020221100191. The next prime is 1020221100233. The reversal of 1020221100210 is 120011220201.

1020221100210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 3046270 + ... + 3364550.

It is an arithmetic number, because the mean of its divisors is an integer number (41206379130).

Almost surely, 2^{1020221100210} is an apocalyptic number.

1020221100210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020221100210 is an abundant number, since it is smaller than the sum of its proper divisors (1616987164110).

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

1020221100210 is a wasteful number, since it uses less digits than its factorization.

1020221100210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326523.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1020221100210 its reverse (120011220201), we get a palindrome (1140232320411).

The spelling of 1020221100210 in words is "one trillion, twenty billion, two hundred twenty-one million, one hundred thousand, two hundred ten".