2211112001101 has 4 divisors (see below), whose sum is σ = 2218221686304. Its totient is φ = 2204002315900.

The previous prime is 2211112001099. The next prime is 2211112001107. The reversal of 2211112001101 is 1011002111122.

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 2211112001101 - 2¹ = 2211112001099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211112001107) 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, 3554842135 + ... + 3554842756.

It is an arithmetic number, because the mean of its divisors is an integer number (554555421576).

Almost surely, 2^{2211112001101} is an apocalyptic number.

It is an amenable number.

2211112001101 is a deficient number, since it is larger than the sum of its proper divisors (7109685203).

2211112001101 is an equidigital number, since it uses as much as digits as its factorization.

2211112001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7109685202.

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

Adding to 2211112001101 its reverse (1011002111122), we get a palindrome (3222114112223).

The spelling of 2211112001101 in words is "two trillion, two hundred eleven billion, one hundred twelve million, one thousand, one hundred one".