1011322222021 has 8 divisors (see below), whose sum is σ = 1018648534400. Its totient is φ = 1003996632960.

The previous prime is 1011322221983. The next prime is 1011322222051. The reversal of 1011322222021 is 1202222231101.

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 1011322222021 - 2⁹ = 1011322221509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1011322222021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011322222051) 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, 2803285 + ... + 3143413.

It is an arithmetic number, because the mean of its divisors is an integer number (127331066800).

Almost surely, 2^{1011322222021} is an apocalyptic number.

It is an amenable number.

1011322222021 is a deficient number, since it is larger than the sum of its proper divisors (7326312379).

1011322222021 is a wasteful number, since it uses less digits than its factorization.

1011322222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361659.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1011322222021 its reverse (1202222231101), we get a palindrome (2213544453122).

The spelling of 1011322222021 in words is "one trillion, eleven billion, three hundred twenty-two million, two hundred twenty-two thousand, twenty-one".