10202222121102 has 48 divisors (see below), whose sum is σ = 25532833979952. Its totient is φ = 2909724668160.

The previous prime is 10202222121071. The next prime is 10202222121103. The reversal of 10202222121102 is 20112122220201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202222121103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1515478233 + ... + 1515484964.

It is an arithmetic number, because the mean of its divisors is an integer number (531934041249).

Almost surely, 2^{10202222121102} is an apocalyptic number.

10202222121102 is an abundant number, since it is smaller than the sum of its proper divisors (15330611858850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10202222121102 is a wasteful number, since it uses less digits than its factorization.

10202222121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030963233 (or 3030963230 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10202222121102 its reverse (20112122220201), we get a palindrome (30314344341303).

Subtracting 10202222121102 from its reverse (20112122220201), we obtain a palindrome (9909900099099).

The spelling of 10202222121102 in words is "ten trillion, two hundred two billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred two".