1220100000101 has 32 divisors (see below), whose sum is σ = 1323732833280. Its totient is φ = 1120809312000.

The previous prime is 1220100000079. The next prime is 1220100000157. The reversal of 1220100000101 is 1010000010221.

It is a cyclic number.

It is not a de Polignac number, because 1220100000101 - 2³⁰ = 1219026258277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220100000601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 349496966 + ... + 349500456.

It is an arithmetic number, because the mean of its divisors is an integer number (41366651040).

Almost surely, 2^{1220100000101} is an apocalyptic number.

It is an amenable number.

1220100000101 is a deficient number, since it is larger than the sum of its proper divisors (103632833179).

1220100000101 is a wasteful number, since it uses less digits than its factorization.

1220100000101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6537.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1220100000101 its reverse (1010000010221), we get a palindrome (2230100010322).

The spelling of 1220100000101 in words is "one trillion, two hundred twenty billion, one hundred million, one hundred one", and thus it is an aban number.