1121005066620 has 96 divisors (see below), whose sum is σ = 3196866774528. Its totient is φ = 293451754752.

The previous prime is 1121005066609. The next prime is 1121005066637. The reversal of 1121005066620 is 266605001211.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64977 + ... + 1498743.

It is an arithmetic number, because the mean of its divisors is an integer number (33300695568).

Almost surely, 2^{1121005066620} is an apocalyptic number.

1121005066620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121005066620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1598433387264).

1121005066620 is an abundant number, since it is smaller than the sum of its proper divisors (2075861707908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121005066620 is a wasteful number, since it uses less digits than its factorization.

1121005066620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434019 (or 1434017 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 1121005066620 in words is "one trillion, one hundred twenty-one billion, five million, sixty-six thousand, six hundred twenty".