101221011200211 has 96 divisors (see below), whose sum is σ = 161658491904000. Its totient is φ = 55180569776640.

The previous prime is 101221011200209. The next prime is 101221011200237. The reversal of 101221011200211 is 112002110122101.

It is a happy number.

It is not a de Polignac number, because 101221011200211 - 2¹ = 101221011200209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101221011200201) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 502513705 + ... + 502715093.

It is an arithmetic number, because the mean of its divisors is an integer number (1683942624000).

Almost surely, 2^{101221011200211} is an apocalyptic number.

101221011200211 is a deficient number, since it is larger than the sum of its proper divisors (60437480703789).

101221011200211 is a wasteful number, since it uses less digits than its factorization.

101221011200211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201797 (or 201768 counting only the distinct ones).

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

Adding to 101221011200211 its reverse (112002110122101), we get a palindrome (213223121322312).

The spelling of 101221011200211 in words is "one hundred one trillion, two hundred twenty-one billion, eleven million, two hundred thousand, two hundred eleven".