1022031202221 has 24 divisors (see below), whose sum is σ = 1593571898880. Its totient is φ = 629256588576.

The previous prime is 1022031202207. The next prime is 1022031202243. The reversal of 1022031202221 is 1222021302201.

It is not a de Polignac number, because 1022031202221 - 2¹¹ = 1022031200173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1022031202194 and 1022031202203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022031202121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85120701 + ... + 85132706.

It is an arithmetic number, because the mean of its divisors is an integer number (66398829120).

Almost surely, 2^{1022031202221} is an apocalyptic number.

It is an amenable number.

1022031202221 is a deficient number, since it is larger than the sum of its proper divisors (571540696659).

1022031202221 is a wasteful number, since it uses less digits than its factorization.

1022031202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170253465 (or 170253462 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 1022031202221 its reverse (1222021302201), we get a palindrome (2244052504422).

The spelling of 1022031202221 in words is "one trillion, twenty-two billion, thirty-one million, two hundred two thousand, two hundred twenty-one".