22211323212001 has 24 divisors (see below), whose sum is σ = 28275456779136. Its totient is φ = 17252926578720.

The previous prime is 22211323211993. The next prime is 22211323212019. The reversal of 22211323212001 is 10021232311222.

It is not a de Polignac number, because 22211323212001 - 2³ = 22211323211993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22211323212031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64826601 + ... + 65168326.

It is an arithmetic number, because the mean of its divisors is an integer number (1178144032464).

Almost surely, 2^{22211323212001} is an apocalyptic number.

It is an amenable number.

22211323212001 is a deficient number, since it is larger than the sum of its proper divisors (6064133567135).

22211323212001 is a wasteful number, since it uses less digits than its factorization.

22211323212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129995269 (or 129995262 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 22211323212001 its reverse (10021232311222), we get a palindrome (32232555523223).

The spelling of 22211323212001 in words is "twenty-two trillion, two hundred eleven billion, three hundred twenty-three million, two hundred twelve thousand, one".