1220102031001 has 12 divisors (see below), whose sum is σ = 1419336604260. Its totient is φ = 1045776510240.

The previous prime is 1220102030999. The next prime is 1220102031013. The reversal of 1220102031001 is 1001302010221.

It can be written as a sum of positive squares in 2 ways, for example, as 448831662601 + 771270368400 = 669949^2 + 878220^2 .

It is not a de Polignac number, because 1220102031001 - 2¹ = 1220102030999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220102031601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1916691 + ... + 2472631.

It is an arithmetic number, because the mean of its divisors is an integer number (118278050355).

Almost surely, 2^{1220102031001} is an apocalyptic number.

It is an amenable number.

1220102031001 is a deficient number, since it is larger than the sum of its proper divisors (199234573259).

1220102031001 is an equidigital number, since it uses as much as digits as its factorization.

1220102031001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600744 (or 600737 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1220102031001 its reverse (1001302010221), we get a palindrome (2221404041222).

The spelling of 1220102031001 in words is "one trillion, two hundred twenty billion, one hundred two million, thirty-one thousand, one".