1020221211022 has 8 divisors (see below), whose sum is σ = 1648049648616. Its totient is φ = 470871328152.

The previous prime is 1020221210947. The next prime is 1020221211029. The reversal of 1020221211022 is 2201121220201.

It is a happy number.

1020221211022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 1020221210987 and 1020221211005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020221211029) 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, 19619638648 + ... + 19619638699.

It is an arithmetic number, because the mean of its divisors is an integer number (206006206077).

Almost surely, 2^{1020221211022} is an apocalyptic number.

1020221211022 is a deficient number, since it is larger than the sum of its proper divisors (627828437594).

1020221211022 is a wasteful number, since it uses less digits than its factorization.

1020221211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39239277362.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1020221211022 its reverse (2201121220201), we get a palindrome (3221342431223).

The spelling of 1020221211022 in words is "one trillion, twenty billion, two hundred twenty-one million, two hundred eleven thousand, twenty-two".