1220101115133 has 16 divisors (see below), whose sum is σ = 1698840925056. Its totient is φ = 777435563520.

The previous prime is 1220101115119. The next prime is 1220101115141. The reversal of 1220101115133 is 3315111010221.

It is not a de Polignac number, because 1220101115133 - 2⁴ = 1220101115117 is a prime.

It is a super-2 number, since 2×1220101115133² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220101115833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6727248 + ... + 6906233.

It is an arithmetic number, because the mean of its divisors is an integer number (106177557816).

Almost surely, 2^{1220101115133} is an apocalyptic number.

It is an amenable number.

1220101115133 is a deficient number, since it is larger than the sum of its proper divisors (478739809923).

1220101115133 is a wasteful number, since it uses less digits than its factorization.

1220101115133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13634804.

The product of its (nonzero) digits is 180, while the sum is 21.

Adding to 1220101115133 its reverse (3315111010221), we get a palindrome (4535212125354).

The spelling of 1220101115133 in words is "one trillion, two hundred twenty billion, one hundred one million, one hundred fifteen thousand, one hundred thirty-three".