201011222011110 has 128 divisors (see below), whose sum is σ = 566378155284480. Its totient is φ = 44693243126784.

The previous prime is 201011222011109. The next prime is 201011222011157. The reversal of 201011222011110 is 11110222110102.

It is a happy number.

It is a super-2 number, since 2×201011222011110² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 201011222011110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30377431 + ... + 36397949.

It is an arithmetic number, because the mean of its divisors is an integer number (4424829338160).

Almost surely, 2^{201011222011110} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201011222011110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283189077642240).

201011222011110 is an abundant number, since it is smaller than the sum of its proper divisors (365366933273370).

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

201011222011110 is a wasteful number, since it uses less digits than its factorization.

201011222011110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6024870.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 201011222011110 its reverse (11110222110102), we get a palindrome (212121444121212).

The spelling of 201011222011110 in words is "two hundred one trillion, eleven billion, two hundred twenty-two million, eleven thousand, one hundred ten".