2170110520061 has 8 divisors (see below), whose sum is σ = 2470323438144. Its totient is φ = 1887052625920.

The previous prime is 2170110520057. The next prime is 2170110520093. The reversal of 2170110520061 is 1600250110712.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2170110520061 - 2² = 2170110520057 is a prime.

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 2170110520061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2170110520031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4288755716 + ... + 4288756221.

It is an arithmetic number, because the mean of its divisors is an integer number (308790429768).

Almost surely, 2^{2170110520061} is an apocalyptic number.

It is an amenable number.

2170110520061 is a deficient number, since it is larger than the sum of its proper divisors (300212918083).

2170110520061 is a wasteful number, since it uses less digits than its factorization.

2170110520061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8577511971.

The product of its (nonzero) digits is 840, while the sum is 26.

Adding to 2170110520061 its reverse (1600250110712), we get a palindrome (3770360630773).

The spelling of 2170110520061 in words is "two trillion, one hundred seventy billion, one hundred ten million, five hundred twenty thousand, sixty-one".