201110110001010 has 160 divisors (see below), whose sum is σ = 618735712383360. Its totient is φ = 45914385731328.

The previous prime is 201110110000997. The next prime is 201110110001023. The reversal of 201110110001010 is 10100011011102.

It is an interprime number because it is at equal distance from previous prime (201110110000997) and next prime (201110110001023).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 201110110000983 and 201110110001001.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 15834600 + ... + 25552979.

It is an arithmetic number, because the mean of its divisors is an integer number (3867098202396).

Almost surely, 2^{201110110001010} is an apocalyptic number.

201110110001010 is an abundant number, since it is smaller than the sum of its proper divisors (417625602382350).

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

201110110001010 is a wasteful number, since it uses less digits than its factorization.

201110110001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41388462 (or 41388453 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 201110110001010 its reverse (10100011011102), we get a palindrome (211210121012112).

The spelling of 201110110001010 in words is "two hundred one trillion, one hundred ten billion, one hundred ten million, one thousand, ten".