201012212121022 has 16 divisors (see below), whose sum is σ = 301797408729600. Its totient is φ = 100413108083160.

The previous prime is 201012212121013. The next prime is 201012212121037. The reversal of 201012212121022 is 220121212210102.

It is a congruent 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, 4439197 + ... + 20536087.

It is an arithmetic number, because the mean of its divisors is an integer number (18862338045600).

Almost surely, 2^{201012212121022} is an apocalyptic number.

201012212121022 is a deficient number, since it is larger than the sum of its proper divisors (100785196608578).

201012212121022 is a wasteful number, since it uses less digits than its factorization.

201012212121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16102671.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 201012212121022 its reverse (220121212210102), we get a palindrome (421133424331124).

The spelling of 201012212121022 in words is "two hundred one trillion, twelve billion, two hundred twelve million, one hundred twenty-one thousand, twenty-two".