120010101221111 has 2 divisors, whose sum is σ = 120010101221112. Its totient is φ = 120010101221110.

The previous prime is 120010101221089. The next prime is 120010101221293. The reversal of 120010101221111 is 111122101010021.

It is a weak prime.

It is an emirp because it is prime and its reverse (111122101010021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120010101221111 - 2²⁶ = 120010034112247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120010101221711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60005050610555 + 60005050610556.

It is an arithmetic number, because the mean of its divisors is an integer number (60005050610556).

Almost surely, 2^{120010101221111} is an apocalyptic number.

120010101221111 is a deficient number, since it is larger than the sum of its proper divisors (1).

120010101221111 is an equidigital number, since it uses as much as digits as its factorization.

120010101221111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 120010101221111 its reverse (111122101010021), we get a palindrome (231132202231132).

The spelling of 120010101221111 in words is "one hundred twenty trillion, ten billion, one hundred one million, two hundred twenty-one thousand, one hundred eleven".