1220220102101 has 16 divisors (see below), whose sum is σ = 1638337481088. Its totient is φ = 877680792000.

The previous prime is 1220220102097. The next prime is 1220220102119. The reversal of 1220220102101 is 1012010220221.

It is a cyclic number.

It is not a de Polignac number, because 1220220102101 - 2² = 1220220102097 is a prime.

It is a super-2 number, since 2×1220220102101² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220220102121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 609499550 + ... + 609501551.

It is an arithmetic number, because the mean of its divisors is an integer number (102396092568).

Almost surely, 2^{1220220102101} is an apocalyptic number.

1220220102101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1220220102101 is a deficient number, since it is larger than the sum of its proper divisors (418117378987).

1220220102101 is a wasteful number, since it uses less digits than its factorization.

1220220102101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219001132.

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

Adding to 1220220102101 its reverse (1012010220221), we get a palindrome (2232230322322).

The spelling of 1220220102101 in words is "one trillion, two hundred twenty billion, two hundred twenty million, one hundred two thousand, one hundred one".