101220222011 has 2 divisors, whose sum is σ = 101220222012. Its totient is φ = 101220222010.

The previous prime is 101220221933. The next prime is 101220222029. The reversal of 101220222011 is 110222022101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101220222011 - 2²⁶ = 101153113147 is a prime.

It is a super-2 number, since 2×101220222011² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (101220222031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50610111005 + 50610111006.

It is an arithmetic number, because the mean of its divisors is an integer number (50610111006).

Almost surely, 2^101220222011 is an apocalyptic number.

101220222011 is a deficient number, since it is larger than the sum of its proper divisors (1).

101220222011 is an equidigital number, since it uses as much as digits as its factorization.

101220222011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 101220222011 its reverse (110222022101), we get a palindrome (211442244112).

The spelling of 101220222011 in words is "one hundred one billion, two hundred twenty million, two hundred twenty-two thousand, eleven".