201012211101 has 16 divisors (see below), whose sum is σ = 288690799040. Its totient is φ = 123675016320.

The previous prime is 201012211091. The next prime is 201012211123. The reversal of 201012211101 is 101112210102.

It is not a de Polignac number, because 201012211101 - 2¹¹ = 201012209053 is a prime.

It is a super-3 number, since 3×201012211101³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201012211171) 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, 318856 + ... + 709713.

It is an arithmetic number, because the mean of its divisors is an integer number (18043174940).

Almost surely, 2^201012211101 is an apocalyptic number.

It is an amenable number.

201012211101 is a deficient number, since it is larger than the sum of its proper divisors (87678587939).

201012211101 is a wasteful number, since it uses less digits than its factorization.

201012211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033596.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 201012211101 its reverse (101112210102), we get a palindrome (302124421203).

Subtracting from 201012211101 its reverse (101112210102), we obtain a palindrome (99900000999).

The spelling of 201012211101 in words is "two hundred one billion, twelve million, two hundred eleven thousand, one hundred one".