201121202210 has 32 divisors (see below), whose sum is σ = 364534473600. Its totient is φ = 79891165440.

The previous prime is 201121202209. The next prime is 201121202239. The reversal of 201121202210 is 12202121102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 748961 + ... + 981419.

It is an arithmetic number, because the mean of its divisors is an integer number (11391702300).

Almost surely, 2^201121202210 is an apocalyptic number.

201121202210 is a deficient number, since it is larger than the sum of its proper divisors (163413271390).

201121202210 is a wasteful number, since it uses less digits than its factorization.

201121202210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233066.

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

Adding to 201121202210 its reverse (12202121102), we get a palindrome (213323323312).

The spelling of 201121202210 in words is "two hundred one billion, one hundred twenty-one million, two hundred two thousand, two hundred ten".