201102211021011 has 16 divisors (see below), whose sum is σ = 272292168806016. Its totient is φ = 131996721116736.

The previous prime is 201102211020959. The next prime is 201102211021013. The reversal of 201102211021011 is 110120112201102.

It is a happy number.

It is not a de Polignac number, because 201102211021011 - 2¹¹ = 201102211018963 is a prime.

It is a super-2 number, since 2×201102211021011² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201102211021013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 815396185 + ... + 815642778.

It is an arithmetic number, because the mean of its divisors is an integer number (17018260550376).

Almost surely, 2^{201102211021011} is an apocalyptic number.

201102211021011 is a deficient number, since it is larger than the sum of its proper divisors (71189957785005).

201102211021011 is a wasteful number, since it uses less digits than its factorization.

201102211021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1631039602.

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

Adding to 201102211021011 its reverse (110120112201102), we get a palindrome (311222323222113).

The spelling of 201102211021011 in words is "two hundred one trillion, one hundred two billion, two hundred eleven million, twenty-one thousand, eleven".