10212210101 has 2 divisors, whose sum is σ = 10212210102. Its totient is φ = 10212210100.

The previous prime is 10212210067. The next prime is 10212210139. The reversal of 10212210101 is 10101221201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8812327876 + 1399882225 = 93874^2 + 37415^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10212210101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10212210401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106105050 + 5106105051.

It is an arithmetic number, because the mean of its divisors is an integer number (5106105051).

Almost surely, 2^10212210101 is an apocalyptic number.

It is an amenable number.

10212210101 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212210101 is an equidigital number, since it uses as much as digits as its factorization.

10212210101 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 11.

Adding to 10212210101 its reverse (10101221201), we get a palindrome (20313431302).

It can be divided in two parts, 1021 and 2210101, that added together give a palindrome (2211122).

The spelling of 10212210101 in words is "ten billion, two hundred twelve million, two hundred ten thousand, one hundred one".