101221010211 has 8 divisors (see below), whose sum is σ = 135867128400. Its totient is φ = 67027782752.

The previous prime is 101221010197. The next prime is 101221010221. The reversal of 101221010211 is 112010122101.

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

It is a cyclic number.

It is not a de Polignac number, because 101221010211 - 2⁶ = 101221010147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101221010221) 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, 113222160 + ... + 113223053.

It is an arithmetic number, because the mean of its divisors is an integer number (16983391050).

Almost surely, 2^101221010211 is an apocalyptic number.

101221010211 is a deficient number, since it is larger than the sum of its proper divisors (34646118189).

101221010211 is a wasteful number, since it uses less digits than its factorization.

101221010211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226445365.

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

Adding to 101221010211 its reverse (112010122101), we get a palindrome (213231132312).

The spelling of 101221010211 in words is "one hundred one billion, two hundred twenty-one million, ten thousand, two hundred eleven".