121222101201 has 16 divisors (see below), whose sum is σ = 162734236800. Its totient is φ = 80262483840.

The previous prime is 121222101199. The next prime is 121222101233. The reversal of 121222101201 is 102101222121.

It is not a de Polignac number, because 121222101201 - 2¹ = 121222101199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121222105201) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6280101 + ... + 6299373.

It is an arithmetic number, because the mean of its divisors is an integer number (10170889800).

Almost surely, 2^121222101201 is an apocalyptic number.

It is an amenable number.

121222101201 is a deficient number, since it is larger than the sum of its proper divisors (41512135599).

121222101201 is a wasteful number, since it uses less digits than its factorization.

121222101201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33496.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121222101201 its reverse (102101222121), we get a palindrome (223323323322).

The spelling of 121222101201 in words is "one hundred twenty-one billion, two hundred twenty-two million, one hundred one thousand, two hundred one".