102011321219 has 2 divisors, whose sum is σ = 102011321220. Its totient is φ = 102011321218.

The previous prime is 102011321189. The next prime is 102011321249. The reversal of 102011321219 is 912123110201.

It is a balanced prime because it is at equal distance from previous prime (102011321189) and next prime (102011321249).

It is a cyclic number.

It is not a de Polignac number, because 102011321219 - 2¹² = 102011317123 is a prime.

It is a super-2 number, since 2×102011321219² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102011321194 and 102011321203.

It is not a weakly prime, because it can be changed into another prime (102011321249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51005660609 + 51005660610.

It is an arithmetic number, because the mean of its divisors is an integer number (51005660610).

Almost surely, 2^102011321219 is an apocalyptic number.

102011321219 is a deficient number, since it is larger than the sum of its proper divisors (1).

102011321219 is an equidigital number, since it uses as much as digits as its factorization.

102011321219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 102011321219 in words is "one hundred two billion, eleven million, three hundred twenty-one thousand, two hundred nineteen".