20010022200101 has 4 divisors (see below), whose sum is σ = 20010056674752. Its totient is φ = 20009987725452.

The previous prime is 20010022200067. The next prime is 20010022200107. The reversal of 20010022200101 is 10100222001002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20010022200101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010022200107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16351511 + ... + 17532596.

It is an arithmetic number, because the mean of its divisors is an integer number (5002514168688).

Almost surely, 2^{20010022200101} is an apocalyptic number.

It is an amenable number.

20010022200101 is a deficient number, since it is larger than the sum of its proper divisors (34474651).

20010022200101 is an equidigital number, since it uses as much as digits as its factorization.

20010022200101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34474650.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20010022200101 its reverse (10100222001002), we get a palindrome (30110244201103).

The spelling of 20010022200101 in words is "twenty trillion, ten billion, twenty-two million, two hundred thousand, one hundred one".