1022001021202 has 40 divisors (see below), whose sum is σ = 1788850000512. Its totient is φ = 437889097800.

The previous prime is 1022001021179. The next prime is 1022001021241. The reversal of 1022001021202 is 2021201002201.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 20484427 + ... + 20534257.

Almost surely, 2^{1022001021202} is an apocalyptic number.

1022001021202 is a deficient number, since it is larger than the sum of its proper divisors (766848979310).

1022001021202 is an frugal number, since it uses more digits than its factorization.

1022001021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54132 (or 54111 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1022001021202 its reverse (2021201002201), we get a palindrome (3043202023403).

The spelling of 1022001021202 in words is "one trillion, twenty-two billion, one million, twenty-one thousand, two hundred two".