20100201122 has 4 divisors (see below), whose sum is σ = 30150301686. Its totient is φ = 10050100560.

The previous prime is 20100201103. The next prime is 20100201167. The reversal of 20100201122 is 22110200102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10582442641 + 9517758481 = 102871^2 + 97559^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5025050279 + ... + 5025050282.

Almost surely, 2^20100201122 is an apocalyptic number.

20100201122 is a deficient number, since it is larger than the sum of its proper divisors (10050100564).

20100201122 is a wasteful number, since it uses less digits than its factorization.

20100201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10050100563.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20100201122 its reverse (22110200102), we get a palindrome (42210401224).

The spelling of 20100201122 in words is "twenty billion, one hundred million, two hundred one thousand, one hundred twenty-two".