222001011001 has 16 divisors (see below), whose sum is σ = 276792981120. Its totient is φ = 172979988480.

The previous prime is 222001010999. The next prime is 222001011031. The reversal of 222001011001 is 100110100222.

It is a cyclic number.

It is not a de Polignac number, because 222001011001 - 2¹ = 222001010999 is a prime.

It is a super-2 number, since 2×222001011001² (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 (222001011031) 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, 2127295 + ... + 2229211.

It is an arithmetic number, because the mean of its divisors is an integer number (17299561320).

Almost surely, 2^222001011001 is an apocalyptic number.

It is an amenable number.

222001011001 is a deficient number, since it is larger than the sum of its proper divisors (54791970119).

222001011001 is a wasteful number, since it uses less digits than its factorization.

222001011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130224.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 222001011001 its reverse (100110100222), we get a palindrome (322111111223).

The spelling of 222001011001 in words is "two hundred twenty-two billion, one million, eleven thousand, one".