100222121201002 has 4 divisors (see below), whose sum is σ = 150333181801506. Its totient is φ = 50111060600500.

The previous prime is 100222121200987. The next prime is 100222121201047. The reversal of 100222121201002 is 200102121222001.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 51562581742681 + 48659539458321 = 7180709^2 + 6975639^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25055530300249 + ... + 25055530300252.

Almost surely, 2^{100222121201002} is an apocalyptic number.

100222121201002 is a deficient number, since it is larger than the sum of its proper divisors (50111060600504).

100222121201002 is an equidigital number, since it uses as much as digits as its factorization.

100222121201002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50111060600503.

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

Adding to 100222121201002 its reverse (200102121222001), we get a palindrome (300324242423003).

The spelling of 100222121201002 in words is "one hundred trillion, two hundred twenty-two billion, one hundred twenty-one million, two hundred one thousand, two".