1020022221002 has 8 divisors (see below), whose sum is σ = 1530042715812. Its totient is φ = 510007982400.

The previous prime is 1020022220983. The next prime is 1020022221089. The reversal of 1020022221002 is 2001222200201.

It can be written as a sum of positive squares in 2 ways, for example, as 1017094437121 + 2927783881 = 1008511^2 + 54109^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1132649 + ... + 1822892.

Almost surely, 2^{1020022221002} is an apocalyptic number.

1020022221002 is a deficient number, since it is larger than the sum of its proper divisors (510020494810).

1020022221002 is a wasteful number, since it uses less digits than its factorization.

1020022221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3128104.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1020022221002 its reverse (2001222200201), we get a palindrome (3021244421203).

The spelling of 1020022221002 in words is "one trillion, twenty billion, twenty-two million, two hundred twenty-one thousand, two".