102120100211211 has 8 divisors (see below), whose sum is σ = 136545856374480. Its totient is φ = 67887205427712.

The previous prime is 102120100211179. The next prime is 102120100211237. The reversal of 102120100211211 is 112112001021201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102120100211211 - 2⁵ = 102120100211179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102120100218211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48215343706 + ... + 48215345823.

It is an arithmetic number, because the mean of its divisors is an integer number (17068232046810).

Almost surely, 2^{102120100211211} is an apocalyptic number.

102120100211211 is a deficient number, since it is larger than the sum of its proper divisors (34425756163269).

102120100211211 is an equidigital number, since it uses as much as digits as its factorization.

102120100211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96430689885.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 102120100211211 its reverse (112112001021201), we get a palindrome (214232101232412).

The spelling of 102120100211211 in words is "one hundred two trillion, one hundred twenty billion, one hundred million, two hundred eleven thousand, two hundred eleven".