2021220002031 has 8 divisors (see below), whose sum is σ = 2695545500160. Its totient is φ = 1347187252632.

The previous prime is 2021220002023. The next prime is 2021220002059. The reversal of 2021220002031 is 1302000221202.

It is a happy number.

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

It is not a de Polignac number, because 2021220002031 - 2³ = 2021220002023 is a prime.

It is a super-2 number, since 2×2021220002031² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2021220002031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021220002231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73171071 + ... + 73198688.

It is an arithmetic number, because the mean of its divisors is an integer number (336943187520).

Almost surely, 2^{2021220002031} is an apocalyptic number.

2021220002031 is a deficient number, since it is larger than the sum of its proper divisors (674325498129).

2021220002031 is a wasteful number, since it uses less digits than its factorization.

2021220002031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146374365.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 2021220002031 its reverse (1302000221202), we get a palindrome (3323220223233).

The spelling of 2021220002031 in words is "two trillion, twenty-one billion, two hundred twenty million, two thousand, thirty-one".