102122012101211 has 4 divisors (see below), whose sum is σ = 107496854843400. Its totient is φ = 96747169359024.

The previous prime is 102122012101177. The next prime is 102122012101253. The reversal of 102122012101211 is 112101210221201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102122012101211 - 2³⁰ = 102120938359387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102122012101211.

It is not an unprimeable number, because it can be changed into a prime (102122012107211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2687421371066 + ... + 2687421371103.

It is an arithmetic number, because the mean of its divisors is an integer number (26874213710850).

Almost surely, 2^{102122012101211} is an apocalyptic number.

102122012101211 is a deficient number, since it is larger than the sum of its proper divisors (5374842742189).

102122012101211 is an equidigital number, since it uses as much as digits as its factorization.

102122012101211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5374842742188.

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

Adding to 102122012101211 its reverse (112101210221201), we get a palindrome (214223222322412).

The spelling of 102122012101211 in words is "one hundred two trillion, one hundred twenty-two billion, twelve million, one hundred one thousand, two hundred eleven".