22000002120001 has 16 divisors (see below), whose sum is σ = 22726953398016. Its totient is φ = 21282866640000.

The previous prime is 22000002119939. The next prime is 22000002120053. The reversal of 22000002120001 is 10002120000022.

It is a cyclic number.

It is not a de Polignac number, because 22000002120001 - 2¹¹ = 22000002117953 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22000002120001.

It is not an unprimeable number, because it can be changed into a prime (22000002720001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2347570 + ... + 7036411.

It is an arithmetic number, because the mean of its divisors is an integer number (1420434587376).

Almost surely, 2^{22000002120001} is an apocalyptic number.

It is an amenable number.

22000002120001 is a deficient number, since it is larger than the sum of its proper divisors (726951278015).

22000002120001 is a wasteful number, since it uses less digits than its factorization.

22000002120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9384504.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 22000002120001 its reverse (10002120000022), we get a palindrome (32002122120023).

It can be divided in two parts, 220000021 and 20001, that added together give a palindrome (220020022).

The spelling of 22000002120001 in words is "twenty-two trillion, two million, one hundred twenty thousand, one".