20102100000022 has 16 divisors (see below), whose sum is σ = 30173816494080. Its totient is φ = 10044161969472.

The previous prime is 20102099999981. The next prime is 20102100000061. The reversal of 20102100000022 is 22000000120102.

It is a junction number, because it is equal to n+sod(n) for n = 20102099999954 and 20102100000008.

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 in 7 ways as a sum of consecutive naturals, for example, 52368363 + ... + 52750825.

It is an arithmetic number, because the mean of its divisors is an integer number (1885863530880).

Almost surely, 2^{20102100000022} is an apocalyptic number.

20102100000022 is a deficient number, since it is larger than the sum of its proper divisors (10071716494058).

20102100000022 is a wasteful number, since it uses less digits than its factorization.

20102100000022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400407.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20102100000022 its reverse (22000000120102), we get a palindrome (42102100120124).

The spelling of 20102100000022 in words is "twenty trillion, one hundred two billion, one hundred million, twenty-two", and thus it is an aban number.