10101001851 has 12 divisors (see below), whose sum is σ = 14900769312. Its totient is φ = 6590724336.

The previous prime is 10101001849. The next prime is 10101001871. The reversal of 10101001851 is 15810010101.

It is a happy number.

It is not a de Polignac number, because 10101001851 - 2¹ = 10101001849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10101001831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11939296 + ... + 11940141.

It is an arithmetic number, because the mean of its divisors is an integer number (1241730776).

Almost surely, 2^10101001851 is an apocalyptic number.

10101001851 is a deficient number, since it is larger than the sum of its proper divisors (4799767461).

10101001851 is a wasteful number, since it uses less digits than its factorization.

10101001851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23879490 (or 23879487 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 18.

Adding to 10101001851 its reverse (15810010101), we get a palindrome (25911011952).

The spelling of 10101001851 in words is "ten billion, one hundred one million, one thousand, eight hundred fifty-one".