10101212119 has 4 divisors (see below), whose sum is σ = 10118903080. Its totient is φ = 10083521160.

The previous prime is 10101212029. The next prime is 10101212131. The reversal of 10101212119 is 91121210101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91121210101 = 313 ⋅291122077.

It is a cyclic number.

It is not a de Polignac number, because 10101212119 - 2¹¹ = 10101210071 is a prime.

It is a super-2 number, since 2×10101212119² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10101212096 and 10101212105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101312119) 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, 8844624 + ... + 8845765.

It is an arithmetic number, because the mean of its divisors is an integer number (2529725770).

Almost surely, 2^10101212119 is an apocalyptic number.

10101212119 is a deficient number, since it is larger than the sum of its proper divisors (17690961).

10101212119 is an equidigital number, since it uses as much as digits as its factorization.

10101212119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17690960.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 10101212119 in words is "ten billion, one hundred one million, two hundred twelve thousand, one hundred nineteen".