201000212122 has 16 divisors (see below), whose sum is σ = 306536342112. Its totient is φ = 98826686640.

The previous prime is 201000212117. The next prime is 201000212137. The reversal of 201000212122 is 221212000102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1236973 + ... + 1390000.

It is an arithmetic number, because the mean of its divisors is an integer number (19158521382).

Almost surely, 2^201000212122 is an apocalyptic number.

201000212122 is a deficient number, since it is larger than the sum of its proper divisors (105536129990).

201000212122 is a wasteful number, since it uses less digits than its factorization.

201000212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2627613.

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

Adding to 201000212122 its reverse (221212000102), we get a palindrome (422212212224).

The spelling of 201000212122 in words is "two hundred one billion, two hundred twelve thousand, one hundred twenty-two".