120212202111101 has 2 divisors, whose sum is σ = 120212202111102. Its totient is φ = 120212202111100.

The previous prime is 120212202111077. The next prime is 120212202111103. The reversal of 120212202111101 is 101111202212021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85634850288100 + 34577351823001 = 9253910^2 + 5880251^2 .

It is a cyclic number.

It is not a de Polignac number, because 120212202111101 - 2¹⁸ = 120212201848957 is a prime.

It is a super-2 number, since 2×120212202111101² (a number of 29 digits) contains 22 as substring.

Together with 120212202111103, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120212202111101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120212202111103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60106101055550 + 60106101055551.

It is an arithmetic number, because the mean of its divisors is an integer number (60106101055551).

Almost surely, 2^{120212202111101} is an apocalyptic number.

It is an amenable number.

120212202111101 is a deficient number, since it is larger than the sum of its proper divisors (1).

120212202111101 is an equidigital number, since it uses as much as digits as its factorization.

120212202111101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 120212202111101 its reverse (101111202212021), we get a palindrome (221323404323122).

The spelling of 120212202111101 in words is "one hundred twenty trillion, two hundred twelve billion, two hundred two million, one hundred eleven thousand, one hundred one".