1021021011022 has 4 divisors (see below), whose sum is σ = 1531531516536. Its totient is φ = 510510505510.

The previous prime is 1021021011013. The next prime is 1021021011047. The reversal of 1021021011022 is 2201101201201.

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

It is a junction number, because it is equal to n+sod(n) for n = 1021021010993 and 1021021011011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255255252754 + ... + 255255252757.

It is an arithmetic number, because the mean of its divisors is an integer number (382882879134).

Almost surely, 2^{1021021011022} is an apocalyptic number.

1021021011022 is a deficient number, since it is larger than the sum of its proper divisors (510510505514).

1021021011022 is an equidigital number, since it uses as much as digits as its factorization.

1021021011022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510510505513.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1021021011022 its reverse (2201101201201), we get a palindrome (3222122212223).

The spelling of 1021021011022 in words is "one trillion, twenty-one billion, twenty-one million, eleven thousand, twenty-two".