2011222122001 has 8 divisors (see below), whose sum is σ = 2101461076224. Its totient is φ = 1921216044000.

The previous prime is 2011222121983. The next prime is 2011222122061. The reversal of 2011222122001 is 1002212221102.

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 2011222122001 - 2²³ = 2011213733393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011222122061) 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, 58201396 + ... + 58235941.

It is an arithmetic number, because the mean of its divisors is an integer number (262682634528).

Almost surely, 2^{2011222122001} is an apocalyptic number.

It is an amenable number.

2011222122001 is a deficient number, since it is larger than the sum of its proper divisors (90238954223).

2011222122001 is a wasteful number, since it uses less digits than its factorization.

2011222122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116438111.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2011222122001 its reverse (1002212221102), we get a palindrome (3013434343103).

The spelling of 2011222122001 in words is "two trillion, eleven billion, two hundred twenty-two million, one hundred twenty-two thousand, one".