2111212001011 has 8 divisors (see below), whose sum is σ = 2113081232544. Its totient is φ = 2109342984000.

The previous prime is 2111212000987. The next prime is 2111212001051. The reversal of 2111212001011 is 1101002121112.

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 2111212001011 - 2¹⁷ = 2111211869939 is a prime.

It is a super-2 number, since 2×2111212001011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2111212000982 and 2111212001000.

It is not an unprimeable number, because it can be changed into a prime (2111212001051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24577386 + ... + 24663136.

It is an arithmetic number, because the mean of its divisors is an integer number (264135154068).

Almost surely, 2^{2111212001011} is an apocalyptic number.

2111212001011 is a deficient number, since it is larger than the sum of its proper divisors (1869231533).

2111212001011 is a wasteful number, since it uses less digits than its factorization.

2111212001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107261.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2111212001011 its reverse (1101002121112), we get a palindrome (3212214122123).

The spelling of 2111212001011 in words is "two trillion, one hundred eleven billion, two hundred twelve million, one thousand, eleven".