11020122121 has 8 divisors (see below), whose sum is σ = 11202226560. Its totient is φ = 10838859552.

The previous prime is 11020122107. The next prime is 11020122161. The reversal of 11020122121 is 12122102011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11020122121 - 2¹⁷ = 11019991049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11020122161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184045 + ... + 236458.

It is an arithmetic number, because the mean of its divisors is an integer number (1400278320).

Almost surely, 2^11020122121 is an apocalyptic number.

It is an amenable number.

11020122121 is a deficient number, since it is larger than the sum of its proper divisors (182104439).

11020122121 is an equidigital number, since it uses as much as digits as its factorization.

11020122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420935.

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

Adding to 11020122121 its reverse (12122102011), we get a palindrome (23142224132).

The spelling of 11020122121 in words is "eleven billion, twenty million, one hundred twenty-two thousand, one hundred twenty-one".