10201111722 has 24 divisors (see below), whose sum is σ = 22117212000. Its totient is φ = 3398093160.

The previous prime is 10201111699. The next prime is 10201111747. The reversal of 10201111722 is 22711110201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10201111695 and 10201111704.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 162054 + ... + 216017.

It is an arithmetic number, because the mean of its divisors is an integer number (921550500).

Almost surely, 2^10201111722 is an apocalyptic number.

10201111722 is an abundant number, since it is smaller than the sum of its proper divisors (11916100278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10201111722 is a wasteful number, since it uses less digits than its factorization.

10201111722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379578 (or 379575 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 18.

Adding to 10201111722 its reverse (22711110201), we get a palindrome (32912221923).

The spelling of 10201111722 in words is "ten billion, two hundred one million, one hundred eleven thousand, seven hundred twenty-two".