121222011201 has 16 divisors (see below), whose sum is σ = 166304626368. Its totient is φ = 78485112000.

The previous prime is 121222011161. The next prime is 121222011203. The reversal of 121222011201 is 102110222121.

It is not a de Polignac number, because 121222011201 - 2⁶ = 121222011137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121222011203) 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, 949275 + ... + 1069376.

It is an arithmetic number, because the mean of its divisors is an integer number (10394039148).

Almost surely, 2^121222011201 is an apocalyptic number.

It is an amenable number.

121222011201 is a deficient number, since it is larger than the sum of its proper divisors (45082615167).

121222011201 is a wasteful number, since it uses less digits than its factorization.

121222011201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019232.

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

Adding to 121222011201 its reverse (102110222121), we get a palindrome (223332233322).

The spelling of 121222011201 in words is "one hundred twenty-one billion, two hundred twenty-two million, eleven thousand, two hundred one".