22201222120001 has 16 divisors (see below), whose sum is σ = 23907623299200. Its totient is φ = 20539374905088.

The previous prime is 22201222119997. The next prime is 22201222120031. The reversal of 22201222120001 is 10002122210222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22201222120001 - 2² = 22201222119997 is a prime.

It is a super-4 number, since 4×22201222120001⁴ (a number of 54 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22201222120031) 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, 11015396 + ... + 12874058.

It is an arithmetic number, because the mean of its divisors is an integer number (1494226456200).

Almost surely, 2^{22201222120001} is an apocalyptic number.

It is an amenable number.

22201222120001 is a deficient number, since it is larger than the sum of its proper divisors (1706401179199).

22201222120001 is a wasteful number, since it uses less digits than its factorization.

22201222120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870648.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22201222120001 its reverse (10002122210222), we get a palindrome (32203344330223).

The spelling of 22201222120001 in words is "twenty-two trillion, two hundred one billion, two hundred twenty-two million, one hundred twenty thousand, one".