2112122222201 has 8 divisors (see below), whose sum is σ = 2124139042080. Its totient is φ = 2100116466432.

The previous prime is 2112122222167. The next prime is 2112122222209. The reversal of 2112122222201 is 1022222212112.

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 2112122222201 - 2¹⁸ = 2112121960057 is a prime.

It is a super-2 number, since 2×2112122222201² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112122222209) 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, 2382995 + ... + 3146888.

It is an arithmetic number, because the mean of its divisors is an integer number (265517380260).

Almost surely, 2^{2112122222201} is an apocalyptic number.

It is an amenable number.

2112122222201 is a deficient number, since it is larger than the sum of its proper divisors (12016819879).

2112122222201 is a wasteful number, since it uses less digits than its factorization.

2112122222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5532055.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2112122222201 its reverse (1022222212112), we get a palindrome (3134344434313).

The spelling of 2112122222201 in words is "two trillion, one hundred twelve billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred one".