10201000122 has 24 divisors (see below), whose sum is σ = 22699524276. Its totient is φ = 3308432256.

The previous prime is 10201000109. The next prime is 10201000129. The reversal of 10201000122 is 22100010201.

It can be written as a sum of positive squares in 2 ways, for example, as 7881710841 + 2319289281 = 88779^2 + 48159^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (10201000129) 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, 7657743 + ... + 7659074.

Almost surely, 2^10201000122 is an apocalyptic number.

10201000122 is an abundant number, since it is smaller than the sum of its proper divisors (12498524154).

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

10201000122 is a wasteful number, since it uses less digits than its factorization.

10201000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15316862 (or 15316859 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10201000122 its reverse (22100010201), we get a palindrome (32301010323).

The spelling of 10201000122 in words is "ten billion, two hundred one million, one hundred twenty-two", and thus it is an aban number.