1002021221095 has 48 divisors (see below), whose sum is σ = 1304872777440. Its totient is φ = 736434720000.

The previous prime is 1002021221083. The next prime is 1002021221101. The reversal of 1002021221095 is 5901221202001.

It is not a de Polignac number, because 1002021221095 - 2²⁹ = 1001484350183 is a prime.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 29195445 + ... + 29229745.

It is an arithmetic number, because the mean of its divisors is an integer number (27184849530).

Almost surely, 2^{1002021221095} is an apocalyptic number.

1002021221095 is a deficient number, since it is larger than the sum of its proper divisors (302851556345).

1002021221095 is an equidigital number, since it uses as much as digits as its factorization.

1002021221095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34528 (or 34457 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

Adding to 1002021221095 its reverse (5901221202001), we get a palindrome (6903242423096).

The spelling of 1002021221095 in words is "one trillion, two billion, twenty-one million, two hundred twenty-one thousand, ninety-five".