102120220201211 has 2 divisors, whose sum is σ = 102120220201212. Its totient is φ = 102120220201210.

The previous prime is 102120220201201. The next prime is 102120220201253. The reversal of 102120220201211 is 112102022021201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102120220201211 - 2³⁰ = 102119146459387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102120220201211.

It is not a weakly prime, because it can be changed into another prime (102120220201201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51060110100605 + 51060110100606.

It is an arithmetic number, because the mean of its divisors is an integer number (51060110100606).

Almost surely, 2^{102120220201211} is an apocalyptic number.

102120220201211 is a deficient number, since it is larger than the sum of its proper divisors (1).

102120220201211 is an equidigital number, since it uses as much as digits as its factorization.

102120220201211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102120220201211 its reverse (112102022021201), we get a palindrome (214222242222412).

The spelling of 102120220201211 in words is "one hundred two trillion, one hundred twenty billion, two hundred twenty million, two hundred one thousand, two hundred eleven".