201212001021101 has 8 divisors (see below), whose sum is σ = 229957208782080. Its totient is φ = 172466952306768.

The previous prime is 201212001021061. The next prime is 201212001021121. The reversal of 201212001021101 is 101120100212102.

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

It is a de Polignac number, because none of the positive numbers 2^k-201212001021101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201212001021121) 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, 37038266 + ... + 42121931.

It is an arithmetic number, because the mean of its divisors is an integer number (28744651097760).

Almost surely, 2^{201212001021101} is an apocalyptic number.

It is an amenable number.

201212001021101 is a deficient number, since it is larger than the sum of its proper divisors (28745207760979).

201212001021101 is an equidigital number, since it uses as much as digits as its factorization.

201212001021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79523323.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201212001021101 its reverse (101120100212102), we get a palindrome (302332101233203).

The spelling of 201212001021101 in words is "two hundred one trillion, two hundred twelve billion, one million, twenty-one thousand, one hundred one".