20121111010022 has 8 divisors (see below), whose sum is σ = 32925454380072. Its totient is φ = 9145959550000.

The previous prime is 20121111009977. The next prime is 20121111010061. The reversal of 20121111010022 is 22001011112102.

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 = 20121111009979 and 20121111010006.

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, 457297977479 + ... + 457297977522.

It is an arithmetic number, because the mean of its divisors is an integer number (4115681797509).

Almost surely, 2^{20121111010022} is an apocalyptic number.

20121111010022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20121111010022 is a deficient number, since it is larger than the sum of its proper divisors (12804343370050).

20121111010022 is a wasteful number, since it uses less digits than its factorization.

20121111010022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914595955014.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20121111010022 its reverse (22001011112102), we get a palindrome (42122122122124).

The spelling of 20121111010022 in words is "twenty trillion, one hundred twenty-one billion, one hundred eleven million, ten thousand, twenty-two".