10120100102221 has 8 divisors (see below), whose sum is σ = 10715764649400. Its totient is φ = 9524476059648.

The previous prime is 10120100102219. The next prime is 10120100102249. The reversal of 10120100102221 is 12220100102101.

It can be written as a sum of positive squares in 4 ways, for example, as 5188418396100 + 4931681706121 = 2277810^2 + 2220739^2 .

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 10120100102221 - 2¹ = 10120100102219 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 (10120100202221) 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, 9610996 + ... + 10611853.

It is an arithmetic number, because the mean of its divisors is an integer number (1339470581175).

Almost surely, 2^{10120100102221} is an apocalyptic number.

It is an amenable number.

10120100102221 is a deficient number, since it is larger than the sum of its proper divisors (595664547179).

10120100102221 is a wasteful number, since it uses less digits than its factorization.

10120100102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20252303.

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

Adding to 10120100102221 its reverse (12220100102101), we get a palindrome (22340200204322).

The spelling of 10120100102221 in words is "ten trillion, one hundred twenty billion, one hundred million, one hundred two thousand, two hundred twenty-one".