1013020221021 has 8 divisors (see below), whose sum is σ = 1362646669440. Its totient is φ = 669370293312.

The previous prime is 1013020220987. The next prime is 1013020221023. The reversal of 1013020221021 is 1201220203101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1013020221021 - 2²⁵ = 1012986666589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013020221023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1494129781 + ... + 1494130458.

It is an arithmetic number, because the mean of its divisors is an integer number (170330833680).

Almost surely, 2^{1013020221021} is an apocalyptic number.

It is an amenable number.

1013020221021 is a deficient number, since it is larger than the sum of its proper divisors (349626448419).

1013020221021 is a wasteful number, since it uses less digits than its factorization.

1013020221021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2988260355.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1013020221021 its reverse (1201220203101), we get a palindrome (2214240424122).

The spelling of 1013020221021 in words is "one trillion, thirteen billion, twenty million, two hundred twenty-one thousand, twenty-one".