201102120221210 has 64 divisors (see below), whose sum is σ = 392144773093920. Its totient is φ = 74251316505600.

The previous prime is 201102120221173. The next prime is 201102120221257. The reversal of 201102120221210 is 12122021201102.

It can be written as a sum of positive squares in 16 ways, for example, as 56278008485689 + 144824111735521 = 7501867^2 + 12034289^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1239048824 + ... + 1239211116.

Almost surely, 2^{201102120221210} is an apocalyptic number.

201102120221210 is a deficient number, since it is larger than the sum of its proper divisors (191042652872710).

201102120221210 is a wasteful number, since it uses less digits than its factorization.

201102120221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218740 (or 218714 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201102120221210 its reverse (12122021201102), we get a palindrome (213224141422312).

The spelling of 201102120221210 in words is "two hundred one trillion, one hundred two billion, one hundred twenty million, two hundred twenty-one thousand, two hundred ten".