1021221102022 has 32 divisors (see below), whose sum is σ = 1710096410880. Its totient is φ = 453357868320.

The previous prime is 1021221102019. The next prime is 1021221102023. The reversal of 1021221102022 is 2202011221201.

It is a happy number.

1021221102022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1021221101987 and 1021221102005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021221102023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13141879 + ... + 13219357.

It is an arithmetic number, because the mean of its divisors is an integer number (53440512840).

Almost surely, 2^{1021221102022} is an apocalyptic number.

1021221102022 is a deficient number, since it is larger than the sum of its proper divisors (688875308858).

1021221102022 is a wasteful number, since it uses less digits than its factorization.

1021221102022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91468.

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

Adding to 1021221102022 its reverse (2202011221201), we get a palindrome (3223232323223).

The spelling of 1021221102022 in words is "one trillion, twenty-one billion, two hundred twenty-one million, one hundred two thousand, twenty-two".