101201212001 has 4 divisors (see below), whose sum is σ = 106527591600. Its totient is φ = 95874832404.

The previous prime is 101201211997. The next prime is 101201212003. The reversal of 101201212001 is 100212102101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101201212001 - 2² = 101201211997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101201212003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2663189771 + ... + 2663189808.

It is an arithmetic number, because the mean of its divisors is an integer number (26631897900).

Almost surely, 2^101201212001 is an apocalyptic number.

It is an amenable number.

101201212001 is a deficient number, since it is larger than the sum of its proper divisors (5326379599).

101201212001 is an equidigital number, since it uses as much as digits as its factorization.

101201212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5326379598.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 101201212001 its reverse (100212102101), we get a palindrome (201413314102).

It can be divided in two parts, 101 and 201212001, that added together give a palindrome (201212102).

The spelling of 101201212001 in words is "one hundred one billion, two hundred one million, two hundred twelve thousand, one".