201121222010 has 16 divisors (see below), whose sum is σ = 362042817696. Its totient is φ = 80443018128.

The previous prime is 201121222007. The next prime is 201121222069. The reversal of 201121222010 is 10222121102.

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, 527732 + ... + 825071.

It is an arithmetic number, because the mean of its divisors is an integer number (22627676106).

Almost surely, 2^201121222010 is an apocalyptic number.

201121222010 is a deficient number, since it is larger than the sum of its proper divisors (160921595686).

201121222010 is a wasteful number, since it uses less digits than its factorization.

201121222010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367677.

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

Adding to 201121222010 its reverse (10222121102), we get a palindrome (211343343112).

The spelling of 201121222010 in words is "two hundred one billion, one hundred twenty-one million, two hundred twenty-two thousand, ten".