101222111001 has 16 divisors (see below), whose sum is σ = 147696631488. Its totient is φ = 61153204800.

The previous prime is 101222110999. The next prime is 101222111033. The reversal of 101222111001 is 100111222101.

It is not a de Polignac number, because 101222111001 - 2¹ = 101222110999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101222111071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4827610 + ... + 4848531.

It is an arithmetic number, because the mean of its divisors is an integer number (9231039468).

Almost surely, 2^101222111001 is an apocalyptic number.

101222111001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101222111001 is a deficient number, since it is larger than the sum of its proper divisors (46474520487).

101222111001 is a wasteful number, since it uses less digits than its factorization.

101222111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9676472.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 101222111001 its reverse (100111222101), we get a palindrome (201333333102).

Subtracting from 101222111001 its reverse (100111222101), we obtain a square (1110888900 = 33330²).

The spelling of 101222111001 in words is "one hundred one billion, two hundred twenty-two million, one hundred eleven thousand, one".