11222020001 has 8 divisors (see below), whose sum is σ = 11648671104. Its totient is φ = 10803197520.

The previous prime is 11222019997. The next prime is 11222020013. The reversal of 11222020001 is 10002022211.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11222020001 - 2² = 11222019997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11222026001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1954235 + ... + 1959968.

It is an arithmetic number, because the mean of its divisors is an integer number (1456083888).

Almost surely, 2^11222020001 is an apocalyptic number.

It is an amenable number.

11222020001 is a deficient number, since it is larger than the sum of its proper divisors (426651103).

11222020001 is an equidigital number, since it uses as much as digits as its factorization.

11222020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3914311.

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

Adding to 11222020001 its reverse (10002022211), we get a palindrome (21224042212).

The spelling of 11222020001 in words is "eleven billion, two hundred twenty-two million, twenty thousand, one".