22011410421 has 64 divisors (see below), whose sum is σ = 43783434240. Its totient is φ = 10554909120.

The previous prime is 22011410419. The next prime is 22011410423. The reversal of 22011410421 is 12401411022.

22011410421 is a `hidden beast` number, since 2 + 201 + 1 + 41 + 0 + 421 = 666.

It is an interprime number because it is at equal distance from previous prime (22011410419) and next prime (22011410423).

It is not a de Polignac number, because 22011410421 - 2¹ = 22011410419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22011410394 and 22011410403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011410423) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 380185 + ... + 434238.

It is an arithmetic number, because the mean of its divisors is an integer number (684116160).

Almost surely, 2^22011410421 is an apocalyptic number.

22011410421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22011410421 is a deficient number, since it is larger than the sum of its proper divisors (21772023819).

22011410421 is a wasteful number, since it uses less digits than its factorization.

22011410421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814463 (or 814457 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22011410421 its reverse (12401411022), we get a palindrome (34412821443).

The spelling of 22011410421 in words is "twenty-two billion, eleven million, four hundred ten thousand, four hundred twenty-one".