1220012022101 has 16 divisors (see below), whose sum is σ = 1258113603648. Its totient is φ = 1182355574400.

The previous prime is 1220012022091. The next prime is 1220012022143. The reversal of 1220012022101 is 1012202100221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220012022101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220012022181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46836641 + ... + 46862681.

It is an arithmetic number, because the mean of its divisors is an integer number (78632100228).

Almost surely, 2^{1220012022101} is an apocalyptic number.

It is an amenable number.

1220012022101 is a deficient number, since it is larger than the sum of its proper divisors (38101581547).

1220012022101 is a wasteful number, since it uses less digits than its factorization.

1220012022101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34532.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1220012022101 its reverse (1012202100221), we get a palindrome (2232214122322).

It can be divided in two parts, 12200120 and 22101, that added together give a palindrome (12222221).

The spelling of 1220012022101 in words is "one trillion, two hundred twenty billion, twelve million, twenty-two thousand, one hundred one".