1002000100022 has 4 divisors (see below), whose sum is σ = 1503000150036. Its totient is φ = 501000050010.

The previous prime is 1002000100019. The next prime is 1002000100027. The reversal of 1002000100022 is 2200010002001.

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 = 1002000099982 and 1002000100009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002000100027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250500025004 + ... + 250500025007.

It is an arithmetic number, because the mean of its divisors is an integer number (375750037509).

Almost surely, 2^{1002000100022} is an apocalyptic number.

1002000100022 is a deficient number, since it is larger than the sum of its proper divisors (501000050014).

1002000100022 is an equidigital number, since it uses as much as digits as its factorization.

1002000100022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501000050013.

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 1002000100022 its reverse (2200010002001), we get a palindrome (3202010102023).

The spelling of 1002000100022 in words is "one trillion, two billion, one hundred thousand, twenty-two".