2112201012111 has 8 divisors (see below), whose sum is σ = 2913380706480. Its totient is φ = 1359577662912.

The previous prime is 2112201012083. The next prime is 2112201012139. The reversal of 2112201012111 is 1112101022112.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2112201012083) and next prime (2112201012139).

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

It is not a de Polignac number, because 2112201012111 - 2¹⁷ = 2112200881039 is a prime.

It is a super-2 number, since 2×2112201012111² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112201012611) 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, 12139086190 + ... + 12139086363.

It is an arithmetic number, because the mean of its divisors is an integer number (364172588310).

Almost surely, 2^{2112201012111} is an apocalyptic number.

2112201012111 is a deficient number, since it is larger than the sum of its proper divisors (801179694369).

2112201012111 is a wasteful number, since it uses less digits than its factorization.

2112201012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24278172585.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2112201012111 its reverse (1112101022112), we get a palindrome (3224302034223).

The spelling of 2112201012111 in words is "two trillion, one hundred twelve billion, two hundred one million, twelve thousand, one hundred eleven".