102110110202221 has 8 divisors (see below), whose sum is σ = 112495746974688. Its totient is φ = 91908290010000.

The previous prime is 102110110202207. The next prime is 102110110202249. The reversal of 102110110202221 is 122202011011201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102110110202221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102110110202195 and 102110110202204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102110110202251) 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, 45954143895 + ... + 45954146116.

It is an arithmetic number, because the mean of its divisors is an integer number (14061968371836).

Almost surely, 2^{102110110202221} is an apocalyptic number.

102110110202221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102110110202221 is a deficient number, since it is larger than the sum of its proper divisors (10385636772467).

102110110202221 is a wasteful number, since it uses less digits than its factorization.

102110110202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91908290123.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102110110202221 its reverse (122202011011201), we get a palindrome (224312121213422).

The spelling of 102110110202221 in words is "one hundred two trillion, one hundred ten billion, one hundred ten million, two hundred two thousand, two hundred twenty-one".