102010211222221 has 8 divisors (see below), whose sum is σ = 103937522185440. Its totient is φ = 100082996184912.

The previous prime is 102010211222197. The next prime is 102010211222281. The reversal of 102010211222221 is 122222112010201.

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 102010211222221 - 2²³ = 102010202833613 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 (102010211222281) 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, 21832731 + ... + 26090008.

It is an arithmetic number, because the mean of its divisors is an integer number (12992190273180).

Almost surely, 2^{102010211222221} is an apocalyptic number.

It is an amenable number.

102010211222221 is a deficient number, since it is larger than the sum of its proper divisors (1927310963219).

102010211222221 is an equidigital number, since it uses as much as digits as its factorization.

102010211222221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47962955.

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

Adding to 102010211222221 its reverse (122222112010201), we get a palindrome (224232323232422).

The spelling of 102010211222221 in words is "one hundred two trillion, ten billion, two hundred eleven million, two hundred twenty-two thousand, two hundred twenty-one".