1220101121133 has 12 divisors (see below), whose sum is σ = 1763322488928. Its totient is φ = 812960346120.

The previous prime is 1220101121069. The next prime is 1220101121147. The reversal of 1220101121133 is 3311211010221.

It is not a de Polignac number, because 1220101121133 - 2⁶ = 1220101121069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220101121153) 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 11 ways as a sum of consecutive naturals, for example, 36682563 + ... + 36715808.

It is an arithmetic number, because the mean of its divisors is an integer number (146943540744).

Almost surely, 2^{1220101121133} is an apocalyptic number.

It is an amenable number.

1220101121133 is a deficient number, since it is larger than the sum of its proper divisors (543221367795).

1220101121133 is a wasteful number, since it uses less digits than its factorization.

1220101121133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73400224 (or 73400221 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1220101121133 its reverse (3311211010221), we get a palindrome (4531312131354).

The spelling of 1220101121133 in words is "one trillion, two hundred twenty billion, one hundred one million, one hundred twenty-one thousand, one hundred thirty-three".