22012011000021 has 8 divisors (see below), whose sum is σ = 33542112000064. Its totient is φ = 12578292000000.

The previous prime is 22012011000017. The next prime is 22012011000113. The reversal of 22012011000021 is 12000011021022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22012011000021 - 2² = 22012011000017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22012010999970 and 22012011000006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012011002021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 524095499980 + ... + 524095500021.

It is an arithmetic number, because the mean of its divisors is an integer number (4192764000008).

Almost surely, 2^{22012011000021} is an apocalyptic number.

22012011000021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22012011000021 is a deficient number, since it is larger than the sum of its proper divisors (11530101000043).

22012011000021 is a wasteful number, since it uses less digits than its factorization.

22012011000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048191000011.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22012011000021 its reverse (12000011021022), we get a palindrome (34012022021043).

The spelling of 22012011000021 in words is "twenty-two trillion, twelve billion, eleven million, twenty-one", and thus it is an aban number and an uban number.