1020020011202 has 4 divisors (see below), whose sum is σ = 1530030016806. Its totient is φ = 510010005600.

The previous prime is 1020020011181. The next prime is 1020020011211. The reversal of 1020020011202 is 2021100200201.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 746753494201 + 273266517001 = 864149^2 + 522749^2 .

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 as a sum of consecutive naturals, namely, 255005002799 + ... + 255005002802.

Almost surely, 2^{1020020011202} is an apocalyptic number.

1020020011202 is a deficient number, since it is larger than the sum of its proper divisors (510010005604).

1020020011202 is an equidigital number, since it uses as much as digits as its factorization.

1020020011202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510010005603.

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

Adding to 1020020011202 its reverse (2021100200201), we get a palindrome (3041120211403).

The spelling of 1020020011202 in words is "one trillion, twenty billion, twenty million, eleven thousand, two hundred two".