121000201222 has 16 divisors (see below), whose sum is σ = 189928164960. Its totient is φ = 57705716992.

The previous prime is 121000201213. The next prime is 121000201229. The reversal of 121000201222 is 222102000121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121000201229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3709597 + ... + 3742072.

It is an arithmetic number, because the mean of its divisors is an integer number (11870510310).

Almost surely, 2^121000201222 is an apocalyptic number.

121000201222 is a deficient number, since it is larger than the sum of its proper divisors (68927963738).

121000201222 is a wasteful number, since it uses less digits than its factorization.

121000201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7452047.

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

Adding to 121000201222 its reverse (222102000121), we get a palindrome (343102201343).

The spelling of 121000201222 in words is "one hundred twenty-one billion, two hundred one thousand, two hundred twenty-two".