201011102122 has 8 divisors (see below), whose sum is σ = 302479966116. Its totient is φ = 100184446752.

The previous prime is 201011102119. The next prime is 201011102153. The reversal of 201011102122 is 221201110102.

It can be written as a sum of positive squares in 2 ways, for example, as 200139022161 + 872079961 = 447369^2 + 29531^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×201011102122² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160551373 + ... + 160552624.

Almost surely, 2^201011102122 is an apocalyptic number.

201011102122 is a deficient number, since it is larger than the sum of its proper divisors (101468863994).

201011102122 is a wasteful number, since it uses less digits than its factorization.

201011102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321104312.

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

Adding to 201011102122 its reverse (221201110102), we get a palindrome (422212212224).

The spelling of 201011102122 in words is "two hundred one billion, eleven million, one hundred two thousand, one hundred twenty-two".