122222221010101 has 2 divisors, whose sum is σ = 122222221010102. Its totient is φ = 122222221010100.

The previous prime is 122222221010063. The next prime is 122222221010107. The reversal of 122222221010101 is 101010122222221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108901538648100 + 13320682362001 = 10435590^2 + 3649751^2 .

It is a cyclic number.

It is not a de Polignac number, because 122222221010101 - 2⁹ = 122222221009589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122222221010107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61111110505050 + 61111110505051.

It is an arithmetic number, because the mean of its divisors is an integer number (61111110505051).

Almost surely, 2^{122222221010101} is an apocalyptic number.

It is an amenable number.

122222221010101 is a deficient number, since it is larger than the sum of its proper divisors (1).

122222221010101 is an equidigital number, since it uses as much as digits as its factorization.

122222221010101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122222221010101 its reverse (101010122222221), we get a palindrome (223232343232322).

The spelling of 122222221010101 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, two hundred twenty-one million, ten thousand, one hundred one".