102122212010221 has 8 divisors (see below), whose sum is σ = 111045512090240. Its totient is φ = 93351446974512.

The previous prime is 102122212010219. The next prime is 102122212010309. The reversal of 102122212010221 is 122010212221201.

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 102122212010221 - 2¹ = 102122212010219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102122212010321) 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, 38133759681 + ... + 38133762358.

It is an arithmetic number, because the mean of its divisors is an integer number (13880689011280).

Almost surely, 2^{102122212010221} is an apocalyptic number.

It is an amenable number.

102122212010221 is a deficient number, since it is larger than the sum of its proper divisors (8923300080019).

102122212010221 is a wasteful number, since it uses less digits than its factorization.

102122212010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76267522155.

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

Adding to 102122212010221 its reverse (122010212221201), we get a palindrome (224132424231422).

The spelling of 102122212010221 in words is "one hundred two trillion, one hundred twenty-two billion, two hundred twelve million, ten thousand, two hundred twenty-one".