20102203121002 has 8 divisors (see below), whose sum is σ = 30153340123812. Its totient is φ = 10051089746400.

The previous prime is 20102203120973. The next prime is 20102203121041. The reversal of 20102203121002 is 20012130220102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16284864773401 + 3817338347601 = 4035451^2 + 1953801^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3599899 + ... + 7291342.

Almost surely, 2^{20102203121002} is an apocalyptic number.

20102203121002 is a deficient number, since it is larger than the sum of its proper divisors (10051137002810).

20102203121002 is a wasteful number, since it uses less digits than its factorization.

20102203121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11814104.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20102203121002 its reverse (20012130220102), we get a palindrome (40114333341104).

The spelling of 20102203121002 in words is "twenty trillion, one hundred two billion, two hundred three million, one hundred twenty-one thousand, two".