102022002100221 has 16 divisors (see below), whose sum is σ = 155693097120384. Its totient is φ = 58211662408704.

The previous prime is 102022002100169. The next prime is 102022002100223. The reversal of 102022002100221 is 122001200220201.

It is not a de Polignac number, because 102022002100221 - 2²² = 102021997905917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102022002100221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102022002100223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3609339936 + ... + 3609368201.

It is an arithmetic number, because the mean of its divisors is an integer number (9730818570024).

Almost surely, 2^{102022002100221} is an apocalyptic number.

It is an amenable number.

102022002100221 is a deficient number, since it is larger than the sum of its proper divisors (53671095020163).

102022002100221 is an equidigital number, since it uses as much as digits as its factorization.

102022002100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7218708820.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102022002100221 its reverse (122001200220201), we get a palindrome (224023202320422).

The spelling of 102022002100221 in words is "one hundred two trillion, twenty-two billion, two million, one hundred thousand, two hundred twenty-one".