1012102220191 has 2 divisors, whose sum is σ = 1012102220192. Its totient is φ = 1012102220190.

The previous prime is 1012102220159. The next prime is 1012102220201. The reversal of 1012102220191 is 1910222012101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1012102220191 - 2⁵ = 1012102220159 is a prime.

It is a super-3 number, since 3×1012102220191³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012102220131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506051110095 + 506051110096.

It is an arithmetic number, because the mean of its divisors is an integer number (506051110096).

Almost surely, 2^{1012102220191} is an apocalyptic number.

1012102220191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012102220191 is an equidigital number, since it uses as much as digits as its factorization.

1012102220191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 22.

Adding to 1012102220191 its reverse (1910222012101), we get a palindrome (2922324232292).

The spelling of 1012102220191 in words is "one trillion, twelve billion, one hundred two million, two hundred twenty thousand, one hundred ninety-one".