10111020121219 has 8 divisors (see below), whose sum is σ = 10637566325568. Its totient is φ = 9597804200640.

The previous prime is 10111020121207. The next prime is 10111020121243. The reversal of 10111020121219 is 91212102011101.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10111020121219 is a prime.

It is a super-2 number, since 2×10111020121219² (a number of 27 digits) contains 22 as substring.

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 10111020121219.

It is not an unprimeable number, because it can be changed into a prime (10111020161219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3332569387 + ... + 3332572420.

It is an arithmetic number, because the mean of its divisors is an integer number (1329695790696).

Almost surely, 2^{10111020121219} is an apocalyptic number.

10111020121219 is a deficient number, since it is larger than the sum of its proper divisors (526546204349).

10111020121219 is an equidigital number, since it uses as much as digits as its factorization.

10111020121219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6665141885.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 10111020121219 in words is "ten trillion, one hundred eleven billion, twenty million, one hundred twenty-one thousand, two hundred nineteen".