201210111201010 has 16 divisors (see below), whose sum is σ = 362178837610200. Its totient is φ = 80483902825216.

The previous prime is 201210111200983. The next prime is 201210111201013. The reversal of 201210111201010 is 10102111012102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 148780738300041 + 52429372900969 = 12197571^2 + 7240813^2 .

It is not an unprimeable number, because it can be changed into a prime (201210111201013) 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, 11642215 + ... + 23193994.

Almost surely, 2^{201210111201010} is an apocalyptic number.

201210111201010 is a deficient number, since it is larger than the sum of its proper divisors (160968726409190).

201210111201010 is a wasteful number, since it uses less digits than its factorization.

201210111201010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35413805.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 201210111201010 its reverse (10102111012102), we get a palindrome (211312222213112).

The spelling of 201210111201010 in words is "two hundred one trillion, two hundred ten billion, one hundred eleven million, two hundred one thousand, ten".