10102100120221 has 8 divisors (see below), whose sum is σ = 10166697817760. Its totient is φ = 10037505626928.

The previous prime is 10102100120131. The next prime is 10102100120227. The reversal of 10102100120221 is 12202100120101.

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 10102100120221 - 2³¹ = 10099952636573 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 (10102100120227) 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, 5692270 + ... + 7253008.

It is an arithmetic number, because the mean of its divisors is an integer number (1270837227220).

Almost surely, 2^{10102100120221} is an apocalyptic number.

It is an amenable number.

10102100120221 is a deficient number, since it is larger than the sum of its proper divisors (64597697539).

10102100120221 is a wasteful number, since it uses less digits than its factorization.

10102100120221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602123.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10102100120221 its reverse (12202100120101), we get a palindrome (22304200240322).

The spelling of 10102100120221 in words is "ten trillion, one hundred two billion, one hundred million, one hundred twenty thousand, two hundred twenty-one".