122011121101 has 4 divisors (see below), whose sum is σ = 122156546400. Its totient is φ = 121865695804.

The previous prime is 122011121059. The next prime is 122011121117. The reversal of 122011121101 is 101121110221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122011121101 - 2¹¹ = 122011119053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122011121161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72711391 + ... + 72713068.

It is an arithmetic number, because the mean of its divisors is an integer number (30539136600).

Almost surely, 2^122011121101 is an apocalyptic number.

It is an amenable number.

122011121101 is a deficient number, since it is larger than the sum of its proper divisors (145425299).

122011121101 is an equidigital number, since it uses as much as digits as its factorization.

122011121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145425298.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 122011121101 its reverse (101121110221), we get a palindrome (223132231322).

The spelling of 122011121101 in words is "one hundred twenty-two billion, eleven million, one hundred twenty-one thousand, one hundred one".