1020221110022 has 4 divisors (see below), whose sum is σ = 1530331665036. Its totient is φ = 510110555010.

The previous prime is 1020221110021. The next prime is 1020221110031. The reversal of 1020221110022 is 2200111220201.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1020221110022² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1020221109979 and 1020221110006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020221110021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255055277504 + ... + 255055277507.

It is an arithmetic number, because the mean of its divisors is an integer number (382582916259).

Almost surely, 2^{1020221110022} is an apocalyptic number.

1020221110022 is a deficient number, since it is larger than the sum of its proper divisors (510110555014).

1020221110022 is an equidigital number, since it uses as much as digits as its factorization.

1020221110022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510110555013.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1020221110022 its reverse (2200111220201), we get a palindrome (3220332330223).

The spelling of 1020221110022 in words is "one trillion, twenty billion, two hundred twenty-one million, one hundred ten thousand, twenty-two".