201000122010010 has 16 divisors (see below), whose sum is σ = 362956130868456. Its totient is φ = 80143179637248.

The previous prime is 201000122010007. The next prime is 201000122010011. The reversal of 201000122010010 is 10010221000102.

It can be written as a sum of positive squares in 4 ways, for example, as 101740367009449 + 99259755000561 = 10086643^2 + 9962919^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (201000122010011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32108642559 + ... + 32108648818.

Almost surely, 2^{201000122010010} is an apocalyptic number.

201000122010010 is a deficient number, since it is larger than the sum of its proper divisors (161956008858446).

201000122010010 is a wasteful number, since it uses less digits than its factorization.

201000122010010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64217291697.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 201000122010010 its reverse (10010221000102), we get a palindrome (211010343010112).

The spelling of 201000122010010 in words is "two hundred one trillion, one hundred twenty-two million, ten thousand, ten".