1002121220058 has 64 divisors (see below), whose sum is σ = 2322291831552. Its totient is φ = 282355407360.

The previous prime is 1002121220041. The next prime is 1002121220059. The reversal of 1002121220058 is 8500221212001.

It is not an unprimeable number, because it can be changed into a prime (1002121220059) 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, 24056488 + ... + 24098108.

It is an arithmetic number, because the mean of its divisors is an integer number (36285809868).

Almost surely, 2^{1002121220058} is an apocalyptic number.

1002121220058 is an abundant number, since it is smaller than the sum of its proper divisors (1320170611494).

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

1002121220058 is a wasteful number, since it uses less digits than its factorization.

1002121220058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49559.

The product of its (nonzero) digits is 640, while the sum is 24.

Adding to 1002121220058 its reverse (8500221212001), we get a palindrome (9502342432059).

The spelling of 1002121220058 in words is "one trillion, two billion, one hundred twenty-one million, two hundred twenty thousand, fifty-eight".