2111212001211 has 8 divisors (see below), whose sum is σ = 2815040413200. Its totient is φ = 1407429128352.

The previous prime is 2111212001209. The next prime is 2111212001251. The reversal of 2111212001211 is 1121002121112.

It is a happy number.

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

It is not a de Polignac number, because 2111212001211 - 2¹ = 2111212001209 is a prime.

It is a super-2 number, since 2×2111212001211² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2111212001251) 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, 11276460 + ... + 11462153.

It is an arithmetic number, because the mean of its divisors is an integer number (351880051650).

Almost surely, 2^{2111212001211} is an apocalyptic number.

2111212001211 is a deficient number, since it is larger than the sum of its proper divisors (703828411989).

2111212001211 is a wasteful number, since it uses less digits than its factorization.

2111212001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22769565.

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

Adding to 2111212001211 its reverse (1121002121112), we get a palindrome (3232214122323).

The spelling of 2111212001211 in words is "two trillion, one hundred eleven billion, two hundred twelve million, one thousand, two hundred eleven".