101022211123 has 2 divisors, whose sum is σ = 101022211124. Its totient is φ = 101022211122.

The previous prime is 101022211097. The next prime is 101022211159. The reversal of 101022211123 is 321112220101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101022211123 is a prime.

It is a super-2 number, since 2×101022211123² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101022211097 and 101022211106.

It is not a weakly prime, because it can be changed into another prime (101022211523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50511105561 + 50511105562.

It is an arithmetic number, because the mean of its divisors is an integer number (50511105562).

Almost surely, 2^101022211123 is an apocalyptic number.

101022211123 is a deficient number, since it is larger than the sum of its proper divisors (1).

101022211123 is an equidigital number, since it uses as much as digits as its factorization.

101022211123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 101022211123 its reverse (321112220101), we get a palindrome (422134431224).

The spelling of 101022211123 in words is "one hundred one billion, twenty-two million, two hundred eleven thousand, one hundred twenty-three".