1021040031222 has 12 divisors (see below), whose sum is σ = 2212253401020. Its totient is φ = 340346677068.

The previous prime is 1021040031131. The next prime is 1021040031223. The reversal of 1021040031222 is 2221300401201.

It is a happy number.

1021040031222 is a `hidden beast` number, since 1 + 0 + 2 + 10 + 400 + 31 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 56724446179 = 1021040031222 / (1 + 0 + 2 + 1 + 0 + 4 + 0 + 0 + 3 + 1 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 1021040031195 and 1021040031204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021040031223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28362223072 + ... + 28362223107.

It is an arithmetic number, because the mean of its divisors is an integer number (184354450085).

Almost surely, 2^{1021040031222} is an apocalyptic number.

1021040031222 is an abundant number, since it is smaller than the sum of its proper divisors (1191213369798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1021040031222 is a wasteful number, since it uses less digits than its factorization.

1021040031222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56724446187 (or 56724446184 counting only the distinct ones).

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

Adding to 1021040031222 its reverse (2221300401201), we get a palindrome (3242340432423).

The spelling of 1021040031222 in words is "one trillion, twenty-one billion, forty million, thirty-one thousand, two hundred twenty-two".