201121121002210 has 8 divisors (see below), whose sum is σ = 362018017803996. Its totient is φ = 80448448400880.

The previous prime is 201121121002177. The next prime is 201121121002211. The reversal of 201121121002210 is 12200121121102.

It can be written as a sum of positive squares in 2 ways, for example, as 184519106255961 + 16602014746249 = 13583781^2 + 4074557^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (201121121002211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10056056050101 + ... + 10056056050120.

Almost surely, 2^{201121121002210} is an apocalyptic number.

201121121002210 is a deficient number, since it is larger than the sum of its proper divisors (160896896801786).

201121121002210 is a wasteful number, since it uses less digits than its factorization.

201121121002210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20112112100228.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 201121121002210 its reverse (12200121121102), we get a palindrome (213321242123312).

The spelling of 201121121002210 in words is "two hundred one trillion, one hundred twenty-one billion, one hundred twenty-one million, two thousand, two hundred ten".