1002101020022 has 4 divisors (see below), whose sum is σ = 1503151530036. Its totient is φ = 501050510010.

The previous prime is 1002101019989. The next prime is 1002101020027. The reversal of 1002101020022 is 2200201012001.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1002101019985 and 1002101020012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002101020027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250525255004 + ... + 250525255007.

It is an arithmetic number, because the mean of its divisors is an integer number (375787882509).

Almost surely, 2^{1002101020022} is an apocalyptic number.

1002101020022 is a deficient number, since it is larger than the sum of its proper divisors (501050510014).

1002101020022 is an equidigital number, since it uses as much as digits as its factorization.

1002101020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501050510013.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1002101020022 its reverse (2200201012001), we get a palindrome (3202302032023).

The spelling of 1002101020022 in words is "one trillion, two billion, one hundred one million, twenty thousand, twenty-two".