201011121020110 has 16 divisors (see below), whose sum is σ = 369518316088896. Its totient is φ = 78693715463008.

The previous prime is 201011121020093. The next prime is 201011121020113. The reversal of 201011121020110 is 11020121110102.

It is a happy number.

It is a super-2 number, since 2×201011121020110² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201011121020113) 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, 213841617637 + ... + 213841618576.

It is an arithmetic number, because the mean of its divisors is an integer number (23094894755556).

Almost surely, 2^{201011121020110} is an apocalyptic number.

201011121020110 is a deficient number, since it is larger than the sum of its proper divisors (168507195068786).

201011121020110 is a wasteful number, since it uses less digits than its factorization.

201011121020110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427683236267.

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

Adding to 201011121020110 its reverse (11020121110102), we get a palindrome (212031242130212).

The spelling of 201011121020110 in words is "two hundred one trillion, eleven billion, one hundred twenty-one million, twenty thousand, one hundred ten".