10102222211021 has 4 divisors (see below), whose sum is σ = 10139776940700. Its totient is φ = 10064667481344.

The previous prime is 10102222210991. The next prime is 10102222211033. The reversal of 10102222211021 is 12011222220101.

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 1129735152100 + 8972487058921 = 1062890^2 + 2995411^2 .

It is a cyclic number.

It is not a de Polignac number, because 10102222211021 - 2¹⁸ = 10102221948877 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 (10102242211021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18777364436 + ... + 18777364973.

It is an arithmetic number, because the mean of its divisors is an integer number (2534944235175).

Almost surely, 2^{10102222211021} is an apocalyptic number.

It is an amenable number.

10102222211021 is a deficient number, since it is larger than the sum of its proper divisors (37554729679).

10102222211021 is an equidigital number, since it uses as much as digits as its factorization.

10102222211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37554729678.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10102222211021 its reverse (12011222220101), we get a palindrome (22113444431122).

The spelling of 10102222211021 in words is "ten trillion, one hundred two billion, two hundred twenty-two million, two hundred eleven thousand, twenty-one".