2210201112155 has 4 divisors (see below), whose sum is σ = 2652241334592. Its totient is φ = 1768160889720.

The previous prime is 2210201112143. The next prime is 2210201112187. The reversal of 2210201112155 is 5512111020122.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-2210201112155 is a prime.

It is a super-3 number, since 3×2210201112155³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2210201112155.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221020111211 + ... + 221020111220.

It is an arithmetic number, because the mean of its divisors is an integer number (663060333648).

Almost surely, 2^{2210201112155} is an apocalyptic number.

2210201112155 is a deficient number, since it is larger than the sum of its proper divisors (442040222437).

2210201112155 is an equidigital number, since it uses as much as digits as its factorization.

2210201112155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442040222436.

The product of its (nonzero) digits is 400, while the sum is 23.

Adding to 2210201112155 its reverse (5512111020122), we get a palindrome (7722312132277).

The spelling of 2210201112155 in words is "two trillion, two hundred ten billion, two hundred one million, one hundred twelve thousand, one hundred fifty-five".