201012111122 has 8 divisors (see below), whose sum is σ = 304503495372. Its totient is φ = 99510946000.

The previous prime is 201012111101. The next prime is 201012111133. The reversal of 201012111122 is 221111210102.

It can be written as a sum of positive squares in 2 ways, for example, as 195647867041 + 5364244081 = 442321^2 + 73241^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 201012111097 and 201012111106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497554529 + ... + 497554932.

Almost surely, 2^201012111122 is an apocalyptic number.

201012111122 is a deficient number, since it is larger than the sum of its proper divisors (103491384250).

201012111122 is a wasteful number, since it uses less digits than its factorization.

201012111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995109564.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201012111122 its reverse (221111210102), we get a palindrome (422123321224).

The spelling of 201012111122 in words is "two hundred one billion, twelve million, one hundred eleven thousand, one hundred twenty-two".