1020422404211 has 4 divisors (see below), whose sum is σ = 1166197033392. Its totient is φ = 874647775032.

The previous prime is 1020422404171. The next prime is 1020422404217. The reversal of 1020422404211 is 1124042240201.

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

It is a cyclic number.

It is not a de Polignac number, because 1020422404211 - 2²⁶ = 1020355295347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020422404217) 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 3 ways as a sum of consecutive naturals, for example, 72887314580 + ... + 72887314593.

It is an arithmetic number, because the mean of its divisors is an integer number (291549258348).

Almost surely, 2^{1020422404211} is an apocalyptic number.

1020422404211 is a deficient number, since it is larger than the sum of its proper divisors (145774629181).

1020422404211 is an equidigital number, since it uses as much as digits as its factorization.

1020422404211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145774629180.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 1020422404211 its reverse (1124042240201), we get a palindrome (2144464644412).

The spelling of 1020422404211 in words is "one trillion, twenty billion, four hundred twenty-two million, four hundred four thousand, two hundred eleven".