20010122101022 has 4 divisors (see below), whose sum is σ = 30015183151536. Its totient is φ = 10005061050510.

The previous prime is 20010122100973. The next prime is 20010122101061. The reversal of 20010122101022 is 22010122101002.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 20010122100988 and 20010122101006.

It is a congruent number.

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, 5002530525254 + ... + 5002530525257.

It is an arithmetic number, because the mean of its divisors is an integer number (7503795787884).

Almost surely, 2^{20010122101022} is an apocalyptic number.

20010122101022 is a deficient number, since it is larger than the sum of its proper divisors (10005061050514).

20010122101022 is a wasteful number, since it uses less digits than its factorization.

20010122101022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10005061050513.

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

Adding to 20010122101022 its reverse (22010122101002), we get a palindrome (42020244202024).

The spelling of 20010122101022 in words is "twenty trillion, ten billion, one hundred twenty-two million, one hundred one thousand, twenty-two".