11121201022 has 4 divisors (see below), whose sum is σ = 16681801536. Its totient is φ = 5560600510.

The previous prime is 11121200957. The next prime is 11121201023. The reversal of 11121201022 is 22010212111.

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

It is a super-2 number, since 2×11121201022² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11121200993 and 11121201011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121201023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2780300254 + ... + 2780300257.

It is an arithmetic number, because the mean of its divisors is an integer number (4170450384).

Almost surely, 2^11121201022 is an apocalyptic number.

11121201022 is a deficient number, since it is larger than the sum of its proper divisors (5560600514).

11121201022 is an equidigital number, since it uses as much as digits as its factorization.

11121201022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5560600513.

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

Adding to 11121201022 its reverse (22010212111), we get a palindrome (33131413133).

The spelling of 11121201022 in words is "eleven billion, one hundred twenty-one million, two hundred one thousand, twenty-two".