222101011011001 has 4 divisors (see below), whose sum is σ = 222198982345872. Its totient is φ = 222003039676132.

The previous prime is 222101011010917. The next prime is 222101011011007. The reversal of 222101011011001 is 100110110101222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222101011011001 - 2²³ = 222101002622393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222101011011007) 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, 48985664035 + ... + 48985668568.

It is an arithmetic number, because the mean of its divisors is an integer number (55549745586468).

Almost surely, 2^{222101011011001} is an apocalyptic number.

It is an amenable number.

222101011011001 is a deficient number, since it is larger than the sum of its proper divisors (97971334871).

222101011011001 is an equidigital number, since it uses as much as digits as its factorization.

222101011011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97971334870.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 222101011011001 its reverse (100110110101222), we get a palindrome (322211121112223).

The spelling of 222101011011001 in words is "two hundred twenty-two trillion, one hundred one billion, eleven million, eleven thousand, one".