11021010222121 has 4 divisors (see below), whose sum is σ = 11024451065232. Its totient is φ = 11017569379012.

The previous prime is 11021010222119. The next prime is 11021010222127. The reversal of 11021010222121 is 12122201012011.

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 11021010222121 - 2¹ = 11021010222119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11021010222095 and 11021010222104.

It is not an unprimeable number, because it can be changed into a prime (11021010222127) 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, 1720416751 + ... + 1720423156.

It is an arithmetic number, because the mean of its divisors is an integer number (2756112766308).

Almost surely, 2^{11021010222121} is an apocalyptic number.

It is an amenable number.

11021010222121 is a deficient number, since it is larger than the sum of its proper divisors (3440843111).

11021010222121 is an equidigital number, since it uses as much as digits as its factorization.

11021010222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3440843110.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11021010222121 its reverse (12122201012011), we get a palindrome (23143211234132).

The spelling of 11021010222121 in words is "eleven trillion, twenty-one billion, ten million, two hundred twenty-two thousand, one hundred twenty-one".