1222101507170 has 32 divisors (see below), whose sum is σ = 2222736970608. Its totient is φ = 483740909568.

The previous prime is 1222101507163. The next prime is 1222101507173. The reversal of 1222101507170 is 717051012221.

It is a happy number.

It is a Cunningham number, because it is equal to 1105487²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 1082455048921 + 139646458249 = 1040411^2 + 373693^2 .

It is a super-2 number, since 2×1222101507170² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1222101507173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8183612 + ... + 8331608.

Almost surely, 2^{1222101507170} is an apocalyptic number.

1222101507170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222101507170 is a deficient number, since it is larger than the sum of its proper divisors (1000635463438).

1222101507170 is a wasteful number, since it uses less digits than its factorization.

1222101507170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156614.

The product of its (nonzero) digits is 1960, while the sum is 29.

Adding to 1222101507170 its reverse (717051012221), we get a palindrome (1939152519391).

It can be divided in two parts, 1222101 and 507170, that added together give a palindrome (1729271).

The spelling of 1222101507170 in words is "one trillion, two hundred twenty-two billion, one hundred one million, five hundred seven thousand, one hundred seventy".