1220211100113 has 16 divisors (see below), whose sum is σ = 1628803411200. Its totient is φ = 812546879760.

The previous prime is 1220211100109. The next prime is 1220211100123. The reversal of 1220211100113 is 3110011120221.

It is not a de Polignac number, because 1220211100113 - 2² = 1220211100109 is a prime.

It is a super-2 number, since 2×1220211100113² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1220211100092 and 1220211100101.

It is not an unprimeable number, because it can be changed into a prime (1220211100123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11167098 + ... + 11275836.

It is an arithmetic number, because the mean of its divisors is an integer number (101800213200).

Almost surely, 2^{1220211100113} is an apocalyptic number.

It is an amenable number.

1220211100113 is a deficient number, since it is larger than the sum of its proper divisors (408592311087).

1220211100113 is a wasteful number, since it uses less digits than its factorization.

1220211100113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112972.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1220211100113 its reverse (3110011120221), we get a palindrome (4330222220334).

The spelling of 1220211100113 in words is "one trillion, two hundred twenty billion, two hundred eleven million, one hundred thousand, one hundred thirteen".