101222011001 has 4 divisors (see below), whose sum is σ = 101355023604. Its totient is φ = 101088998400.

The previous prime is 101222010979. The next prime is 101222011019. The reversal of 101222011001 is 100110222101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34425091600 + 66796919401 = 185540^2 + 258451^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101222011001 is a prime.

It is a super-2 number, since 2×101222011001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101222014001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66505160 + ... + 66506681.

It is an arithmetic number, because the mean of its divisors is an integer number (25338755901).

Almost surely, 2^101222011001 is an apocalyptic number.

It is an amenable number.

101222011001 is a deficient number, since it is larger than the sum of its proper divisors (133012603).

101222011001 is an equidigital number, since it uses as much as digits as its factorization.

101222011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133012602.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 101222011001 its reverse (100110222101), we get a palindrome (201332233102).

The spelling of 101222011001 in words is "one hundred one billion, two hundred twenty-two million, eleven thousand, one".