1210220112011 has 8 divisors (see below), whose sum is σ = 1277030624400. Its totient is φ = 1143721071360.

The previous prime is 1210220111959. The next prime is 1210220112053. The reversal of 1210220112011 is 1102110220121.

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

It is a cyclic number.

It is not a de Polignac number, because 1210220112011 - 2¹⁰ = 1210220110987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1210220112071) 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, 77859950 + ... + 77875491.

It is an arithmetic number, because the mean of its divisors is an integer number (159628828050).

Almost surely, 2^{1210220112011} is an apocalyptic number.

1210220112011 is a deficient number, since it is larger than the sum of its proper divisors (66810512389).

1210220112011 is a wasteful number, since it uses less digits than its factorization.

1210220112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155735869.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1210220112011 its reverse (1102110220121), we get a palindrome (2312330332132).

It can be divided in two parts, 1210220 and 112011, that added together give a palindrome (1322231).

The spelling of 1210220112011 in words is "one trillion, two hundred ten billion, two hundred twenty million, one hundred twelve thousand, eleven".