220001111211101 has 16 divisors (see below), whose sum is σ = 240048513230400. Its totient is φ = 199961596780800.

The previous prime is 220001111211083. The next prime is 220001111211103. The reversal of 220001111211101 is 101112111100022.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220001111211101 is a prime.

It is a super-2 number, since 2×220001111211101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220001111211103) 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, 1198360646 + ... + 1198544216.

It is an arithmetic number, because the mean of its divisors is an integer number (15003032076900).

Almost surely, 2^{220001111211101} is an apocalyptic number.

It is an amenable number.

220001111211101 is a deficient number, since it is larger than the sum of its proper divisors (20047402019299).

220001111211101 is a wasteful number, since it uses less digits than its factorization.

220001111211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204460.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 220001111211101 its reverse (101112111100022), we get a palindrome (321113222311123).

The spelling of 220001111211101 in words is "two hundred twenty trillion, one billion, one hundred eleven million, two hundred eleven thousand, one hundred one".