102221121211211 has 8 divisors (see below), whose sum is σ = 103159274898240. Its totient is φ = 101282973801408.

The previous prime is 102221121211193. The next prime is 102221121211267. The reversal of 102221121211211 is 112112121122201.

It is a happy number.

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 102221121211211 - 2³⁸ = 101946243304267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102221121111211) 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, 35052695 + ... + 37856751.

It is an arithmetic number, because the mean of its divisors is an integer number (12894909362280).

Almost surely, 2^{102221121211211} is an apocalyptic number.

102221121211211 is a deficient number, since it is larger than the sum of its proper divisors (938153687029).

102221121211211 is a wasteful number, since it uses less digits than its factorization.

102221121211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3138613.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 102221121211211 its reverse (112112121122201), we get a palindrome (214333242333412).

The spelling of 102221121211211 in words is "one hundred two trillion, two hundred twenty-one billion, one hundred twenty-one million, two hundred eleven thousand, two hundred eleven".