201011240122 has 64 divisors (see below), whose sum is σ = 380139008256. Its totient is φ = 77437992960.

The previous prime is 201011240099. The next prime is 201011240123. The reversal of 201011240122 is 221042110102.

It is a junction number, because it is equal to n+sod(n) for n = 201011240096 and 201011240105.

It is not an unprimeable number, because it can be changed into a prime (201011240123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18174018 + ... + 18185074.

It is an arithmetic number, because the mean of its divisors is an integer number (5939672004).

Almost surely, 2^201011240122 is an apocalyptic number.

201011240122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201011240122 is a deficient number, since it is larger than the sum of its proper divisors (179127768134).

201011240122 is a wasteful number, since it uses less digits than its factorization.

201011240122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12391.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201011240122 its reverse (221042110102), we get a palindrome (422053350224).

The spelling of 201011240122 in words is "two hundred one billion, eleven million, two hundred forty thousand, one hundred twenty-two".