201110220101010 has 64 divisors (see below), whose sum is σ = 529896899700864. Its totient is φ = 48443457753600.

The previous prime is 201110220101009. The next prime is 201110220101029. The reversal of 201110220101010 is 10101022011102.

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, 1940791851 + ... + 1940895470.

It is an arithmetic number, because the mean of its divisors is an integer number (8279639057826).

Almost surely, 2^{201110220101010} is an apocalyptic number.

201110220101010 is an abundant number, since it is smaller than the sum of its proper divisors (328786679599854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201110220101010 is a wasteful number, since it uses less digits than its factorization.

201110220101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3881687499.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 201110220101010 its reverse (10101022011102), we get a palindrome (211211242112112).

The spelling of 201110220101010 in words is "two hundred one trillion, one hundred ten billion, two hundred twenty million, one hundred one thousand, ten".