22131120240201 has 32 divisors (see below), whose sum is σ = 33877828776960. Its totient is φ = 12588541661376.

The previous prime is 22131120240193. The next prime is 22131120240209. The reversal of 22131120240201 is 10204202113122.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22131120240193) and next prime (22131120240209).

It is not a de Polignac number, because 22131120240201 - 2³ = 22131120240193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (22131120240209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28393870 + ... + 29162888.

It is an arithmetic number, because the mean of its divisors is an integer number (1058682149280).

Almost surely, 2^{22131120240201} is an apocalyptic number.

22131120240201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22131120240201 is a deficient number, since it is larger than the sum of its proper divisors (11746708536759).

22131120240201 is a wasteful number, since it uses less digits than its factorization.

22131120240201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775293.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 22131120240201 its reverse (10204202113122), we get a palindrome (32335322353323).

The spelling of 22131120240201 in words is "twenty-two trillion, one hundred thirty-one billion, one hundred twenty million, two hundred forty thousand, two hundred one".