1020221210210 has 8 divisors (see below), whose sum is σ = 1836398178396. Its totient is φ = 408088484080.

The previous prime is 1020221210209. The next prime is 1020221210213. The reversal of 1020221210210 is 120121220201.

It can be written as a sum of positive squares in 2 ways, for example, as 1019952545329 + 268664881 = 1009927^2 + 16391^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1020221210213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51011060501 + ... + 51011060520.

Almost surely, 2^{1020221210210} is an apocalyptic number.

1020221210210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020221210210 is a deficient number, since it is larger than the sum of its proper divisors (816176968186).

1020221210210 is a wasteful number, since it uses less digits than its factorization.

1020221210210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102022121028.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1020221210210 its reverse (120121220201), we get a palindrome (1140342430411).

Subtracting from 1020221210210 its reverse (120121220201), we obtain a palindrome (900099990009).

The spelling of 1020221210210 in words is "one trillion, twenty billion, two hundred twenty-one million, two hundred ten thousand, two hundred ten".