1022021101203 has 4 divisors (see below), whose sum is σ = 1362694801608. Its totient is φ = 681347400800.

The previous prime is 1022021101193. The next prime is 1022021101207. The reversal of 1022021101203 is 3021011202201.

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 1022021101203 - 2³³ = 1013431166611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1022021101207) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 170336850198 + ... + 170336850203.

It is an arithmetic number, because the mean of its divisors is an integer number (340673700402).

Almost surely, 2^{1022021101203} is an apocalyptic number.

1022021101203 is a deficient number, since it is larger than the sum of its proper divisors (340673700405).

1022021101203 is an equidigital number, since it uses as much as digits as its factorization.

1022021101203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340673700404.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1022021101203 its reverse (3021011202201), we get a palindrome (4043032303404).

The spelling of 1022021101203 in words is "one trillion, twenty-two billion, twenty-one million, one hundred one thousand, two hundred three".