201211201012101 has 8 divisors (see below), whose sum is σ = 306607544399424. Its totient is φ = 114977829149760.

The previous prime is 201211201012099. The next prime is 201211201012141. The reversal of 201211201012101 is 101210102112102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201211201012101 - 2¹ = 201211201012099 is a prime.

It is a super-2 number, since 2×201211201012101² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201211201012141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4790742881220 + ... + 4790742881261.

It is an arithmetic number, because the mean of its divisors is an integer number (38325943049928).

Almost surely, 2^{201211201012101} is an apocalyptic number.

201211201012101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

201211201012101 is a deficient number, since it is larger than the sum of its proper divisors (105396343387323).

201211201012101 is an equidigital number, since it uses as much as digits as its factorization.

201211201012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9581485762491.

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

Adding to 201211201012101 its reverse (101210102112102), we get a palindrome (302421303124203).

The spelling of 201211201012101 in words is "two hundred one trillion, two hundred eleven billion, two hundred one million, twelve thousand, one hundred one".