201001102001122 has 4 divisors (see below), whose sum is σ = 301501653001686. Its totient is φ = 100500551000560.

The previous prime is 201001102001093. The next prime is 201001102001143. The reversal of 201001102001122 is 221100201100102.

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., 144539087598481 + 56462014402641 = 12022441^2 + 7514121^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50250275500279 + ... + 50250275500282.

Almost surely, 2^{201001102001122} is an apocalyptic number.

201001102001122 is a deficient number, since it is larger than the sum of its proper divisors (100500551000564).

201001102001122 is a wasteful number, since it uses less digits than its factorization.

201001102001122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100500551000563.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201001102001122 its reverse (221100201100102), we get a palindrome (422101303101224).

The spelling of 201001102001122 in words is "two hundred one trillion, one billion, one hundred two million, one thousand, one hundred twenty-two".