1020221001022 has 8 divisors (see below), whose sum is σ = 1583101553400. Its totient is φ = 492520483224.

The previous prime is 1020221001017. The next prime is 1020221001029. The reversal of 1020221001022 is 2201001220201.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1020221000993 and 1020221001011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020221001029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8795008572 + ... + 8795008687.

It is an arithmetic number, because the mean of its divisors is an integer number (197887694175).

Almost surely, 2^{1020221001022} is an apocalyptic number.

1020221001022 is a deficient number, since it is larger than the sum of its proper divisors (562880552378).

1020221001022 is a wasteful number, since it uses less digits than its factorization.

1020221001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17590017290.

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

Adding to 1020221001022 its reverse (2201001220201), we get a palindrome (3221222221223).

The spelling of 1020221001022 in words is "one trillion, twenty billion, two hundred twenty-one million, one thousand, twenty-two".