102211111221211 has 8 divisors (see below), whose sum is σ = 102268733326848. Its totient is φ = 102153490425000.

The previous prime is 102211111221187. The next prime is 102211111221251. The reversal of 102211111221211 is 112122111112201.

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 102211111221211 - 2²⁵ = 102211077666779 is a prime.

It is a super-2 number, since 2×102211111221211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102211111221251) 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, 185444686 + ... + 185995036.

It is an arithmetic number, because the mean of its divisors is an integer number (12783591665856).

Almost surely, 2^{102211111221211} is an apocalyptic number.

102211111221211 is a deficient number, since it is larger than the sum of its proper divisors (57622105637).

102211111221211 is a wasteful number, since it uses less digits than its factorization.

102211111221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654713.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 102211111221211 its reverse (112122111112201), we get a palindrome (214333222333412).

The spelling of 102211111221211 in words is "one hundred two trillion, two hundred eleven billion, one hundred eleven million, two hundred twenty-one thousand, two hundred eleven".