1020221001210 has 32 divisors (see below), whose sum is σ = 2467810179072. Its totient is φ = 269916736320.

The previous prime is 1020221001203. The next prime is 1020221001259. The reversal of 1020221001210 is 121001220201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133883461 + ... + 133891080.

It is an arithmetic number, because the mean of its divisors is an integer number (77119068096).

Almost surely, 2^{1020221001210} is an apocalyptic number.

1020221001210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020221001210 is an abundant number, since it is smaller than the sum of its proper divisors (1447589177862).

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

1020221001210 is a wasteful number, since it uses less digits than its factorization.

1020221001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267774678.

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

Adding to 1020221001210 its reverse (121001220201), we get a palindrome (1141222221411).

The spelling of 1020221001210 in words is "one trillion, twenty billion, two hundred twenty-one million, one thousand, two hundred ten".