201201102122 has 8 divisors (see below), whose sum is σ = 301811298372. Its totient is φ = 100597336000.

The previous prime is 201201102107. The next prime is 201201102143. The reversal of 201201102122 is 221201102102.

It can be written as a sum of positive squares in 2 ways, for example, as 193361593441 + 7839508681 = 439729^2 + 88541^2 .

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 = 201201102097 and 201201102106.

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, 1528529 + ... + 1654932.

Almost surely, 2^201201102122 is an apocalyptic number.

201201102122 is a deficient number, since it is larger than the sum of its proper divisors (100610196250).

201201102122 is a wasteful number, since it uses less digits than its factorization.

201201102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3215064.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201201102122 its reverse (221201102102), we get a palindrome (422402204224).

The spelling of 201201102122 in words is "two hundred one billion, two hundred one million, one hundred two thousand, one hundred twenty-two".