1220211101104 has 10 divisors (see below), whose sum is σ = 2364159008420. Its totient is φ = 610105550544.

The previous prime is 1220211101077. The next prime is 1220211101141. The reversal of 1220211101104 is 4011011120221.

It is a super-2 number, since 2×1220211101104² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 76263193819 = 1220211101104 / (1 + 2 + 2 + 0 + 2 + 1 + 1 + 1 + 0 + 1 + 1 + 0 + 4).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38131596894 + ... + 38131596925.

It is an arithmetic number, because the mean of its divisors is an integer number (236415900842).

Almost surely, 2^{1220211101104} is an apocalyptic number.

It is an amenable number.

1220211101104 is a deficient number, since it is larger than the sum of its proper divisors (1143947907316).

1220211101104 is an equidigital number, since it uses as much as digits as its factorization.

1220211101104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76263193827 (or 76263193821 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1220211101104 its reverse (4011011120221), we get a palindrome (5231222221325).

The spelling of 1220211101104 in words is "one trillion, two hundred twenty billion, two hundred eleven million, one hundred one thousand, one hundred four".