22011221420101 has 2 divisors, whose sum is σ = 22011221420102. Its totient is φ = 22011221420100.

The previous prime is 22011221420059. The next prime is 22011221420113. The reversal of 22011221420101 is 10102412211022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16118217562500 + 5893003857601 = 4014750^2 + 2427551^2 .

It is a cyclic number.

It is not a de Polignac number, because 22011221420101 - 2²⁷ = 22011087202373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22011221460101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11005610710050 + 11005610710051.

It is an arithmetic number, because the mean of its divisors is an integer number (11005610710051).

Almost surely, 2^{22011221420101} is an apocalyptic number.

It is an amenable number.

22011221420101 is a deficient number, since it is larger than the sum of its proper divisors (1).

22011221420101 is an equidigital number, since it uses as much as digits as its factorization.

22011221420101 is an odious number, because the sum of its binary digits is odd.

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

Adding to 22011221420101 its reverse (10102412211022), we get a palindrome (32113633631123).

The spelling of 22011221420101 in words is "twenty-two trillion, eleven billion, two hundred twenty-one million, four hundred twenty thousand, one hundred one".