1022200002021 has 32 divisors (see below), whose sum is σ = 1512391524480. Its totient is φ = 614032446720.

The previous prime is 1022200002013. The next prime is 1022200002037. The reversal of 1022200002021 is 1202000022201.

It is not a de Polignac number, because 1022200002021 - 2³ = 1022200002013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1022200001988 and 1022200002006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022200007021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 681526 + ... + 1583943.

It is an arithmetic number, because the mean of its divisors is an integer number (47262235140).

Almost surely, 2^{1022200002021} is an apocalyptic number.

1022200002021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1022200002021 is a deficient number, since it is larger than the sum of its proper divisors (490191522459).

1022200002021 is a wasteful number, since it uses less digits than its factorization.

1022200002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265618 (or 2265596 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 1022200002021 its reverse (1202000022201), we get a palindrome (2224200024222).

The spelling of 1022200002021 in words is "one trillion, twenty-two billion, two hundred million, two thousand, twenty-one".