201022001122 has 4 divisors (see below), whose sum is σ = 301533001686. Its totient is φ = 100511000560.

The previous prime is 201022001113. The next prime is 201022001123. The reversal of 201022001122 is 221100220102.

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., 201018619201 + 3381921 = 448351^2 + 1839^2 .

It is not an unprimeable number, because it can be changed into a prime (201022001123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50255500279 + ... + 50255500282.

Almost surely, 2^201022001122 is an apocalyptic number.

201022001122 is a deficient number, since it is larger than the sum of its proper divisors (100511000564).

201022001122 is a wasteful number, since it uses less digits than its factorization.

201022001122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100511000563.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 201022001122 its reverse (221100220102), we get a palindrome (422122221224).

The spelling of 201022001122 in words is "two hundred one billion, twenty-two million, one thousand, one hundred twenty-two".