22031121201 has 16 divisors (see below), whose sum is σ = 29484748800. Its totient is φ = 14632536528.

The previous prime is 22031121163. The next prime is 22031121209. The reversal of 22031121201 is 10212113022.

It is not a de Polignac number, because 22031121201 - 2¹³ = 22031113009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22031121209) 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, 1134310 + ... + 1153568.

It is an arithmetic number, because the mean of its divisors is an integer number (1842796800).

Almost surely, 2^22031121201 is an apocalyptic number.

It is an amenable number.

22031121201 is a deficient number, since it is larger than the sum of its proper divisors (7453627599).

22031121201 is a wasteful number, since it uses less digits than its factorization.

22031121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20668.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 22031121201 its reverse (10212113022), we get a palindrome (32243234223).

The spelling of 22031121201 in words is "twenty-two billion, thirty-one million, one hundred twenty-one thousand, two hundred one".