201000122121022 has 8 divisors (see below), whose sum is σ = 344571637921776. Its totient is φ = 86142909480432.

The previous prime is 201000122121011. The next prime is 201000122121059. The reversal of 201000122121022 is 220121221000102.

It is a happy number.

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 = 201000122120987 and 201000122121005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7178575790023 + ... + 7178575790050.

It is an arithmetic number, because the mean of its divisors is an integer number (43071454740222).

Almost surely, 2^{201000122121022} is an apocalyptic number.

201000122121022 is a deficient number, since it is larger than the sum of its proper divisors (143571515800754).

201000122121022 is a wasteful number, since it uses less digits than its factorization.

201000122121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14357151580082.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201000122121022 its reverse (220121221000102), we get a palindrome (421121343121124).

The spelling of 201000122121022 in words is "two hundred one trillion, one hundred twenty-two million, one hundred twenty-one thousand, twenty-two".