122010212111 has 2 divisors, whose sum is σ = 122010212112. Its totient is φ = 122010212110.

The previous prime is 122010212081. The next prime is 122010212131. The reversal of 122010212111 is 111212010221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122010212111 - 2¹⁸ = 122009949967 is a prime.

It is a super-2 number, since 2×122010212111² (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 (122010212131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61005106055 + 61005106056.

It is an arithmetic number, because the mean of its divisors is an integer number (61005106056).

Almost surely, 2^122010212111 is an apocalyptic number.

122010212111 is a deficient number, since it is larger than the sum of its proper divisors (1).

122010212111 is an equidigital number, since it uses as much as digits as its factorization.

122010212111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 122010212111 its reverse (111212010221), we get a palindrome (233222222332).

The spelling of 122010212111 in words is "one hundred twenty-two billion, ten million, two hundred twelve thousand, one hundred eleven".