212001203111 has 2 divisors, whose sum is σ = 212001203112. Its totient is φ = 212001203110.

The previous prime is 212001203101. The next prime is 212001203131. The reversal of 212001203111 is 111302100212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212001203111 is a prime.

It is a super-2 number, since 2×212001203111² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212001203101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106000601555 + 106000601556.

It is an arithmetic number, because the mean of its divisors is an integer number (106000601556).

Almost surely, 2^212001203111 is an apocalyptic number.

212001203111 is a deficient number, since it is larger than the sum of its proper divisors (1).

212001203111 is an equidigital number, since it uses as much as digits as its factorization.

212001203111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 212001203111 its reverse (111302100212), we get a palindrome (323303303323).

The spelling of 212001203111 in words is "two hundred twelve billion, one million, two hundred three thousand, one hundred eleven".