2112212011211 has 8 divisors (see below), whose sum is σ = 2125544073744. Its totient is φ = 2098884506400.

The previous prime is 2112212011201. The next prime is 2112212011213. The reversal of 2112212011211 is 1121102122112.

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 2112212011211 - 2²⁶ = 2112144902347 is a prime.

It is a super-2 number, since 2×2112212011211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2112212011211.

It is not an unprimeable number, because it can be changed into a prime (2112212011213) 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, 207236 + ... + 2065761.

It is an arithmetic number, because the mean of its divisors is an integer number (265693009218).

Almost surely, 2^{2112212011211} is an apocalyptic number.

2112212011211 is a deficient number, since it is larger than the sum of its proper divisors (13332062533).

2112212011211 is a wasteful number, since it uses less digits than its factorization.

2112212011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2278861.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 2112212011211 its reverse (1121102122112), we get a palindrome (3233314133323).

The spelling of 2112212011211 in words is "two trillion, one hundred twelve billion, two hundred twelve million, eleven thousand, two hundred eleven".