20001012022102 has 4 divisors (see below), whose sum is σ = 30001518033156. Its totient is φ = 10000506011050.

The previous prime is 20001012022091. The next prime is 20001012022139. The reversal of 20001012022102 is 20122021010002.

It is a happy number.

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, 5000253005524 + ... + 5000253005527.

It is an arithmetic number, because the mean of its divisors is an integer number (7500379508289).

Almost surely, 2^{20001012022102} is an apocalyptic number.

20001012022102 is a deficient number, since it is larger than the sum of its proper divisors (10000506011054).

20001012022102 is a wasteful number, since it uses less digits than its factorization.

20001012022102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000506011053.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20001012022102 its reverse (20122021010002), we get a palindrome (40123033032104).

The spelling of 20001012022102 in words is "twenty trillion, one billion, twelve million, twenty-two thousand, one hundred two".