2111022220001 has 4 divisors (see below), whose sum is σ = 2155937586432. Its totient is φ = 2066106853572.

The previous prime is 2111022219991. The next prime is 2111022220061. The reversal of 2111022220001 is 1000222201112.

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 a de Polignac number, because none of the positive numbers 2^k-2111022220001 is a prime.

It is a super-5 number, since 5×2111022220001⁵ (a number of 63 digits) contains 55555 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111022220061) 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, 22457683145 + ... + 22457683238.

It is an arithmetic number, because the mean of its divisors is an integer number (538984396608).

Almost surely, 2^{2111022220001} is an apocalyptic number.

It is an amenable number.

2111022220001 is a deficient number, since it is larger than the sum of its proper divisors (44915366431).

2111022220001 is an equidigital number, since it uses as much as digits as its factorization.

2111022220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44915366430.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2111022220001 its reverse (1000222201112), we get a palindrome (3111244421113).

The spelling of 2111022220001 in words is "two trillion, one hundred eleven billion, twenty-two million, two hundred twenty thousand, one".