22000221002001 has 24 divisors (see below), whose sum is σ = 32249305488960. Its totient is φ = 13330755586720.

The previous prime is 22000221001961. The next prime is 22000221002021. The reversal of 22000221002001 is 10020012200022.

It is not a de Polignac number, because 22000221002001 - 2⁹ = 22000221001489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22000221002021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4374870 + ... + 7946063.

It is an arithmetic number, because the mean of its divisors is an integer number (1343721062040).

Almost surely, 2^{22000221002001} is an apocalyptic number.

It is an amenable number.

22000221002001 is a deficient number, since it is larger than the sum of its proper divisors (10249084486959).

22000221002001 is a wasteful number, since it uses less digits than its factorization.

22000221002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12325877 (or 12325866 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22000221002001 its reverse (10020012200022), we get a palindrome (32020233202023).

It can be divided in two parts, 2200022 and 1002001, that multiplied together give a palindrome (2204424244022).

The spelling of 22000221002001 in words is "twenty-two trillion, two hundred twenty-one million, two thousand, one".