10202202121102 has 4 divisors (see below), whose sum is σ = 15303303181656. Its totient is φ = 5101101060550.

The previous prime is 10202202121093. The next prime is 10202202121103. The reversal of 10202202121102 is 20112120220201.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202202121103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2550550530274 + ... + 2550550530277.

It is an arithmetic number, because the mean of its divisors is an integer number (3825825795414).

Almost surely, 2^{10202202121102} is an apocalyptic number.

10202202121102 is a deficient number, since it is larger than the sum of its proper divisors (5101101060554).

10202202121102 is an equidigital number, since it uses as much as digits as its factorization.

10202202121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5101101060553.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10202202121102 its reverse (20112120220201), we get a palindrome (30314322341303).

The spelling of 10202202121102 in words is "ten trillion, two hundred two billion, two hundred two million, one hundred twenty-one thousand, one hundred two".