10111212195 has 64 divisors (see below), whose sum is σ = 18648576000. Its totient is φ = 4582585728.

The previous prime is 10111212187. The next prime is 10111212203. The reversal of 10111212195 is 59121211101.

It is an interprime number because it is at equal distance from previous prime (10111212187) and next prime (10111212203).

It is not a de Polignac number, because 10111212195 - 2³ = 10111212187 is a prime.

It is a super-2 number, since 2×10111212195² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6744556 + ... + 6746054.

It is an arithmetic number, because the mean of its divisors is an integer number (291384000).

Almost surely, 2^10111212195 is an apocalyptic number.

10111212195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10111212195 is a deficient number, since it is larger than the sum of its proper divisors (8537363805).

10111212195 is a wasteful number, since it uses less digits than its factorization.

10111212195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024.

The product of its (nonzero) digits is 180, while the sum is 24.

Adding to 10111212195 its reverse (59121211101), we get a palindrome (69232423296).

The spelling of 10111212195 in words is "ten billion, one hundred eleven million, two hundred twelve thousand, one hundred ninety-five".