101221011001211 has 8 divisors (see below), whose sum is σ = 103691771509200. Its totient is φ = 98750343605760.

The previous prime is 101221011001157. The next prime is 101221011001219. The reversal of 101221011001211 is 112100110122101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101221011001211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101221011001219) 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, 21074921 + ... + 25428218.

It is an arithmetic number, because the mean of its divisors is an integer number (12961471438650).

Almost surely, 2^{101221011001211} is an apocalyptic number.

101221011001211 is a deficient number, since it is larger than the sum of its proper divisors (2470760507989).

101221011001211 is an equidigital number, since it uses as much as digits as its factorization.

101221011001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46556269.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 101221011001211 its reverse (112100110122101), we get a palindrome (213321121123312).

The spelling of 101221011001211 in words is "one hundred one trillion, two hundred twenty-one billion, eleven million, one thousand, two hundred eleven".