1022201101399 has 4 divisors (see below), whose sum is σ = 1022211182664. Its totient is φ = 1022191020136.

The previous prime is 1022201101319. The next prime is 1022201101403. The reversal of 1022201101399 is 9931011022201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1022201101399 - 2¹⁵ = 1022201068631 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1022201101399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022201101309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4886977 + ... + 5091850.

It is an arithmetic number, because the mean of its divisors is an integer number (255552795666).

Almost surely, 2^{1022201101399} is an apocalyptic number.

1022201101399 is a deficient number, since it is larger than the sum of its proper divisors (10081265).

1022201101399 is an equidigital number, since it uses as much as digits as its factorization.

1022201101399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10081264.

The product of its (nonzero) digits is 1944, while the sum is 31.

It can be divided in two parts, 1022201 and 101399, that added together give a square (1123600 = 1060²).

The spelling of 1022201101399 in words is "one trillion, twenty-two billion, two hundred one million, one hundred one thousand, three hundred ninety-nine".