102221121120011 has 4 divisors (see below), whose sum is σ = 102229673053752. Its totient is φ = 102212569186272.

The previous prime is 102221121120007. The next prime is 102221121120043. The reversal of 102221121120011 is 110021121122201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102221121120011 - 2² = 102221121120007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102221121120611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4275948941 + ... + 4275972846.

It is an arithmetic number, because the mean of its divisors is an integer number (25557418263438).

Almost surely, 2^{102221121120011} is an apocalyptic number.

102221121120011 is a deficient number, since it is larger than the sum of its proper divisors (8551933741).

102221121120011 is an equidigital number, since it uses as much as digits as its factorization.

102221121120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8551933740.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 102221121120011 its reverse (110021121122201), we get a palindrome (212242242242212).

The spelling of 102221121120011 in words is "one hundred two trillion, two hundred twenty-one billion, one hundred twenty-one million, one hundred twenty thousand, eleven".