121222000101 has 16 divisors (see below), whose sum is σ = 171721756800. Its totient is φ = 75919088448.

The previous prime is 121222000013. The next prime is 121222000129. The reversal of 121222000101 is 101000222121.

It is not a de Polignac number, because 121222000101 - 2⁷ = 121221999973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121222000001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18825921 + ... + 18832358.

It is an arithmetic number, because the mean of its divisors is an integer number (10732609800).

Almost surely, 2^121222000101 is an apocalyptic number.

It is an amenable number.

121222000101 is a deficient number, since it is larger than the sum of its proper divisors (50499756699).

121222000101 is a wasteful number, since it uses less digits than its factorization.

121222000101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37658348.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 121222000101 its reverse (101000222121), we get a palindrome (222222222222).

It can be divided in two parts, 121 and 222000101, that added together give a palindrome (222000222).

The spelling of 121222000101 in words is "one hundred twenty-one billion, two hundred twenty-two million, one hundred one", and thus it is an aban number.