1022210011021 has 4 divisors (see below), whose sum is σ = 1025539685632. Its totient is φ = 1018880336412.

The previous prime is 1022210010979. The next prime is 1022210011129. The reversal of 1022210011021 is 1201100122201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1022210011021 - 2¹¹ = 1022210008973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022210010992 and 1022210011010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022210081021) 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, 1664836845 + ... + 1664837458.

It is an arithmetic number, because the mean of its divisors is an integer number (256384921408).

Almost surely, 2^{1022210011021} is an apocalyptic number.

It is an amenable number.

1022210011021 is a deficient number, since it is larger than the sum of its proper divisors (3329674611).

1022210011021 is an equidigital number, since it uses as much as digits as its factorization.

1022210011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3329674610.

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

Adding to 1022210011021 its reverse (1201100122201), we get a palindrome (2223310133222).

The spelling of 1022210011021 in words is "one trillion, twenty-two billion, two hundred ten million, eleven thousand, twenty-one".