122101111010 has 8 divisors (see below), whose sum is σ = 219781999836. Its totient is φ = 48840444400.

The previous prime is 122101110953. The next prime is 122101111043. The reversal of 122101111010 is 10111101221.

It can be written as a sum of positive squares in 2 ways, for example, as 97974634081 + 24126476929 = 313009^2 + 155327^2 .

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 = 122101110982 and 122101111000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6105055541 + ... + 6105055560.

Almost surely, 2^122101111010 is an apocalyptic number.

122101111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122101111010 is a deficient number, since it is larger than the sum of its proper divisors (97680888826).

122101111010 is a wasteful number, since it uses less digits than its factorization.

122101111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12210111108.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 122101111010 its reverse (10111101221), we get a palindrome (132212212231).

The spelling of 122101111010 in words is "one hundred twenty-two billion, one hundred one million, one hundred eleven thousand, ten".