11312121022 has 8 divisors (see below), whose sum is σ = 17329206816. Its totient is φ = 5535718752.

The previous prime is 11312121017. The next prime is 11312121047. The reversal of 11312121022 is 22012121311.

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 = 11312120987 and 11312121005.

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, 60170763 + ... + 60170950.

It is an arithmetic number, because the mean of its divisors is an integer number (2166150852).

Almost surely, 2^11312121022 is an apocalyptic number.

11312121022 is a deficient number, since it is larger than the sum of its proper divisors (6017085794).

11312121022 is a wasteful number, since it uses less digits than its factorization.

11312121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120341762.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11312121022 its reverse (22012121311), we get a palindrome (33324242333).

The spelling of 11312121022 in words is "eleven billion, three hundred twelve million, one hundred twenty-one thousand, twenty-two".