10002220212101 has 4 divisors (see below), whose sum is σ = 10771621766892. Its totient is φ = 9232818657312.

The previous prime is 10002220212077. The next prime is 10002220212107. The reversal of 10002220212101 is 10121202220001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2056169584225 + 7946050627876 = 1433935^2 + 2818874^2 .

It is a cyclic number.

It is not a de Polignac number, because 10002220212101 - 2¹⁰ = 10002220211077 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 (10002220212107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384700777376 + ... + 384700777401.

It is an arithmetic number, because the mean of its divisors is an integer number (2692905441723).

Almost surely, 2^{10002220212101} is an apocalyptic number.

It is an amenable number.

10002220212101 is a deficient number, since it is larger than the sum of its proper divisors (769401554791).

10002220212101 is an equidigital number, since it uses as much as digits as its factorization.

10002220212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769401554790.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10002220212101 its reverse (10121202220001), we get a palindrome (20123422432102).

The spelling of 10002220212101 in words is "ten trillion, two billion, two hundred twenty million, two hundred twelve thousand, one hundred one".