100222222121102 has 4 divisors (see below), whose sum is σ = 150333333181656. Its totient is φ = 50111111060550.

The previous prime is 100222222121083. The next prime is 100222222121113. The reversal of 100222222121102 is 201121222222001.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25055555530274 + ... + 25055555530277.

It is an arithmetic number, because the mean of its divisors is an integer number (37583333295414).

Almost surely, 2^{100222222121102} is an apocalyptic number.

100222222121102 is a deficient number, since it is larger than the sum of its proper divisors (50111111060554).

100222222121102 is an equidigital number, since it uses as much as digits as its factorization.

100222222121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50111111060553.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 100222222121102 its reverse (201121222222001), we get a palindrome (301343444343103).

The spelling of 100222222121102 in words is "one hundred trillion, two hundred twenty-two billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred two".