20101012222223 has 2 divisors, whose sum is σ = 20101012222224. Its totient is φ = 20101012222222.

The previous prime is 20101012222153. The next prime is 20101012222301. The reversal of 20101012222223 is 32222221010102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20101012222223 - 2¹² = 20101012218127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20101012222195 and 20101012222204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20101012221223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10050506111111 + 10050506111112.

It is an arithmetic number, because the mean of its divisors is an integer number (10050506111112).

Almost surely, 2^{20101012222223} is an apocalyptic number.

20101012222223 is a deficient number, since it is larger than the sum of its proper divisors (1).

20101012222223 is an equidigital number, since it uses as much as digits as its factorization.

20101012222223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20101012222223 its reverse (32222221010102), we get a palindrome (52323233232325).

It can be divided in two parts, 2010101 and 2222223, that added together give a palindrome (4232324).

The spelling of 20101012222223 in words is "twenty trillion, one hundred one billion, twelve million, two hundred twenty-two thousand, two hundred twenty-three".