11021121022 has 8 divisors (see below), whose sum is σ = 16617338496. Its totient is φ = 5482008192.

The previous prime is 11021120983. The next prime is 11021121031. The reversal of 11021121022 is 22012112011.

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

It is a junction number, because it is equal to n+sod(n) for n = 11021120993 and 11021121011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14275678 + ... + 14276449.

It is an arithmetic number, because the mean of its divisors is an integer number (2077167312).

Almost surely, 2^11021121022 is an apocalyptic number.

11021121022 is a deficient number, since it is larger than the sum of its proper divisors (5596217474).

11021121022 is a wasteful number, since it uses less digits than its factorization.

11021121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28552322.

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

Adding to 11021121022 its reverse (22012112011), we get a palindrome (33033233033).

The spelling of 11021121022 in words is "eleven billion, twenty-one million, one hundred twenty-one thousand, twenty-two".