1220100200111 has 8 divisors (see below), whose sum is σ = 1313969835360. Its totient is φ = 1126232818272.

The previous prime is 1220100200089. The next prime is 1220100200173. The reversal of 1220100200111 is 1110020010221.

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 1220100200111 - 2¹⁴ = 1220100183727 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1220100200092 and 1220100200101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220100206111) 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, 659525 + ... + 1695633.

It is an arithmetic number, because the mean of its divisors is an integer number (164246229420).

Almost surely, 2^{1220100200111} is an apocalyptic number.

1220100200111 is a deficient number, since it is larger than the sum of its proper divisors (93869635249).

1220100200111 is a wasteful number, since it uses less digits than its factorization.

1220100200111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126705.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1220100200111 its reverse (1110020010221), we get a palindrome (2330120210332).

The spelling of 1220100200111 in words is "one trillion, two hundred twenty billion, one hundred million, two hundred thousand, one hundred eleven".