201211010221011 has 32 divisors (see below), whose sum is σ = 311171724756480. Its totient is φ = 113269736427264.

The previous prime is 201211010221009. The next prime is 201211010221073. The reversal of 201211010221011 is 110122010112102.

It is a happy number.

It is not a de Polignac number, because 201211010221011 - 2¹ = 201211010221009 is a prime.

It is a super-2 number, since 2×201211010221011² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201211010223011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75628521 + ... + 78243818.

It is an arithmetic number, because the mean of its divisors is an integer number (9724116398640).

Almost surely, 2^{201211010221011} is an apocalyptic number.

201211010221011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

201211010221011 is a deficient number, since it is larger than the sum of its proper divisors (109960714535469).

201211010221011 is a wasteful number, since it uses less digits than its factorization.

201211010221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153873275.

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

Adding to 201211010221011 its reverse (110122010112102), we get a palindrome (311333020333113).

The spelling of 201211010221011 in words is "two hundred one trillion, two hundred eleven billion, ten million, two hundred twenty-one thousand, eleven".