1022002020011 has 16 divisors (see below), whose sum is σ = 1237327897536. Its totient is φ = 824059170816.

The previous prime is 1022002020001. The next prime is 1022002020037. The reversal of 1022002020011 is 1100202002201.

It is a happy number.

It is not a de Polignac number, because 1022002020011 - 2¹⁸ = 1022001757867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022002019974 and 1022002020001.

It is not an unprimeable number, because it can be changed into a prime (1022002020001) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 1912646 + ... + 2387931.

It is an arithmetic number, because the mean of its divisors is an integer number (77332993596).

Almost surely, 2^{1022002020011} is an apocalyptic number.

1022002020011 is a deficient number, since it is larger than the sum of its proper divisors (215325877525).

1022002020011 is a wasteful number, since it uses less digits than its factorization.

1022002020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4302598.

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

Adding to 1022002020011 its reverse (1100202002201), we get a palindrome (2122204022212).

The spelling of 1022002020011 in words is "one trillion, twenty-two billion, two million, twenty thousand, eleven".