20102211102002 has 4 divisors (see below), whose sum is σ = 30153316653006. Its totient is φ = 10051105551000.

The previous prime is 20102211101957. The next prime is 20102211102011. The reversal of 20102211102002 is 20020111220102.

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., 10457080855081 + 9645130246921 = 3233741^2 + 3105661^2 .

It is an unprimeable number.

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, 5025552775499 + ... + 5025552775502.

Almost surely, 2^{20102211102002} is an apocalyptic number.

20102211102002 is a deficient number, since it is larger than the sum of its proper divisors (10051105551004).

20102211102002 is a wasteful number, since it uses less digits than its factorization.

20102211102002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10051105551003.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20102211102002 its reverse (20020111220102), we get a palindrome (40122322322104).

The spelling of 20102211102002 in words is "twenty trillion, one hundred two billion, two hundred eleven million, one hundred two thousand, two".