201212210101011 has 16 divisors (see below), whose sum is σ = 290108217821184. Its totient is φ = 123564611291264.

The previous prime is 201212210100949. The next prime is 201212210101043. The reversal of 201212210101011 is 110101012212102.

It is a happy number.

201212210101011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 201212210101011 - 2³¹ = 201210062617363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201212210101061) 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, 41971672635 + ... + 41971677428.

It is an arithmetic number, because the mean of its divisors is an integer number (18131763613824).

Almost surely, 2^{201212210101011} is an apocalyptic number.

201212210101011 is a deficient number, since it is larger than the sum of its proper divisors (88896007720173).

201212210101011 is a wasteful number, since it uses less digits than its factorization.

201212210101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83943350130.

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

Adding to 201212210101011 its reverse (110101012212102), we get a palindrome (311313222313113).

The spelling of 201212210101011 in words is "two hundred one trillion, two hundred twelve billion, two hundred ten million, one hundred one thousand, eleven".