1012022200021 has 8 divisors (see below), whose sum is σ = 1156647895040. Its totient is φ = 867409278768.

The previous prime is 1012022200019. The next prime is 1012022200039. The reversal of 1012022200021 is 1200022202101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1012022200021 - 2¹ = 1012022200019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012022199974 and 1012022200010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012022200001) 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, 3023061 + ... + 3341098.

It is an arithmetic number, because the mean of its divisors is an integer number (144580986880).

Almost surely, 2^{1012022200021} is an apocalyptic number.

It is an amenable number.

1012022200021 is a deficient number, since it is larger than the sum of its proper divisors (144625695019).

1012022200021 is an equidigital number, since it uses as much as digits as its factorization.

1012022200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6386883.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1012022200021 its reverse (1200022202101), we get a palindrome (2212044402122).

The spelling of 1012022200021 in words is "one trillion, twelve billion, twenty-two million, two hundred thousand, twenty-one".