102212020112221 has 8 divisors (see below), whose sum is σ = 102232252488960. Its totient is φ = 102191789687328.

The previous prime is 102212020112207. The next prime is 102212020112249. The reversal of 102212020112221 is 122211020212201.

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 102212020112221 - 2¹¹ = 102212020110173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102212020112921) 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, 106568020 + ... + 107522866.

It is an arithmetic number, because the mean of its divisors is an integer number (12779031561120).

Almost surely, 2^{102212020112221} is an apocalyptic number.

It is an amenable number.

102212020112221 is a deficient number, since it is larger than the sum of its proper divisors (20232376739).

102212020112221 is an equidigital number, since it uses as much as digits as its factorization.

102212020112221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975923.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 102212020112221 its reverse (122211020212201), we get a palindrome (224423040324422).

The spelling of 102212020112221 in words is "one hundred two trillion, two hundred twelve billion, twenty million, one hundred twelve thousand, two hundred twenty-one".