22112100002001 has 8 divisors (see below), whose sum is σ = 29663676076960. Its totient is φ = 14650961964192.

The previous prime is 22112100001973. The next prime is 22112100002029. The reversal of 22112100002001 is 10020000121122.

It is an interprime number because it is at equal distance from previous prime (22112100001973) and next prime (22112100002029).

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

It is not a de Polignac number, because 22112100002001 - 2¹⁷ = 22112099870929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22112100002401) 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, 22609508716 + ... + 22609509693.

It is an arithmetic number, because the mean of its divisors is an integer number (3707959509620).

Almost surely, 2^{22112100002001} is an apocalyptic number.

It is an amenable number.

22112100002001 is a deficient number, since it is larger than the sum of its proper divisors (7551576074959).

22112100002001 is a wasteful number, since it uses less digits than its factorization.

22112100002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45219018575.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22112100002001 its reverse (10020000121122), we get a palindrome (32132100123123).

The spelling of 22112100002001 in words is "twenty-two trillion, one hundred twelve billion, one hundred million, two thousand, one".