22012100101 has 2 divisors, whose sum is σ = 22012100102. Its totient is φ = 22012100100.

The previous prime is 22012100081. The next prime is 22012100111. The reversal of 22012100101 is 10100121022.

It is an a-pointer prime, because the next prime (22012100111) can be obtained adding 22012100101 to its sum of digits (10).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21494492100 + 517608001 = 146610^2 + 22751^2 .

It is a cyclic number.

It is not a de Polignac number, because 22012100101 - 2¹⁹ = 22011575813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22012100111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006050050 + 11006050051.

It is an arithmetic number, because the mean of its divisors is an integer number (11006050051).

Almost surely, 2^22012100101 is an apocalyptic number.

It is an amenable number.

22012100101 is a deficient number, since it is larger than the sum of its proper divisors (1).

22012100101 is an equidigital number, since it uses as much as digits as its factorization.

22012100101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 22012100101 its reverse (10100121022), we get a palindrome (32112221123).

The spelling of 22012100101 in words is "twenty-two billion, twelve million, one hundred thousand, one hundred one".