20010201122 has 4 divisors (see below), whose sum is σ = 30015301686. Its totient is φ = 10005100560.

The previous prime is 20010201121. The next prime is 20010201161. The reversal of 20010201122 is 22110201002.

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., 19093988761 + 916212361 = 138181^2 + 30269^2 .

It is not an unprimeable number, because it can be changed into a prime (20010201121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5002550279 + ... + 5002550282.

Almost surely, 2^20010201122 is an apocalyptic number.

20010201122 is a deficient number, since it is larger than the sum of its proper divisors (10005100564).

20010201122 is a wasteful number, since it uses less digits than its factorization.

20010201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10005100563.

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

Adding to 20010201122 its reverse (22110201002), we get a palindrome (42120402124).

The spelling of 20010201122 in words is "twenty billion, ten million, two hundred one thousand, one hundred twenty-two".