101000221123 has 2 divisors, whose sum is σ = 101000221124. Its totient is φ = 101000221122.

The previous prime is 101000221073. The next prime is 101000221141. The reversal of 101000221123 is 321122000101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101000221123 - 2²¹ = 100998123971 is a prime.

It is a super-2 number, since 2×101000221123² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (101000221423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50500110561 + 50500110562.

It is an arithmetic number, because the mean of its divisors is an integer number (50500110562).

Almost surely, 2^101000221123 is an apocalyptic number.

101000221123 is a deficient number, since it is larger than the sum of its proper divisors (1).

101000221123 is an equidigital number, since it uses as much as digits as its factorization.

101000221123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 101000221123 its reverse (321122000101), we get a palindrome (422122221224).

The spelling of 101000221123 in words is "one hundred one billion, two hundred twenty-one thousand, one hundred twenty-three".