101120121211 has 2 divisors, whose sum is σ = 101120121212. Its totient is φ = 101120121210.

The previous prime is 101120121197. The next prime is 101120121283. The reversal of 101120121211 is 112121021101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101120121211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101120121191 and 101120121200.

It is not a weakly prime, because it can be changed into another prime (101120121811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50560060605 + 50560060606.

It is an arithmetic number, because the mean of its divisors is an integer number (50560060606).

Almost surely, 2^101120121211 is an apocalyptic number.

101120121211 is a deficient number, since it is larger than the sum of its proper divisors (1).

101120121211 is an equidigital number, since it uses as much as digits as its factorization.

101120121211 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 13.

Adding to 101120121211 its reverse (112121021101), we get a palindrome (213241142312).

The spelling of 101120121211 in words is "one hundred one billion, one hundred twenty million, one hundred twenty-one thousand, two hundred eleven".