20012001011102 has 4 divisors (see below), whose sum is σ = 30018001516656. Its totient is φ = 10006000505550.

The previous prime is 20012001011039. The next prime is 20012001011129. The reversal of 20012001011102 is 20111010021002.

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, 5003000252774 + ... + 5003000252777.

It is an arithmetic number, because the mean of its divisors is an integer number (7504500379164).

Almost surely, 2^{20012001011102} is an apocalyptic number.

20012001011102 is a deficient number, since it is larger than the sum of its proper divisors (10006000505554).

20012001011102 is a wasteful number, since it uses less digits than its factorization.

20012001011102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10006000505553.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20012001011102 its reverse (20111010021002), we get a palindrome (40123011032104).

The spelling of 20012001011102 in words is "twenty trillion, twelve billion, one million, eleven thousand, one hundred two".