22211002121 has 24 divisors (see below), whose sum is σ = 27917666112. Its totient is φ = 17297200800.

The previous prime is 22211002081. The next prime is 22211002123. The reversal of 22211002121 is 12120011222.

It is not a de Polignac number, because 22211002121 - 2²⁶ = 22143893257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22211002096 and 22211002105.

It is not an unprimeable number, because it can be changed into a prime (22211002123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1664486 + ... + 1677776.

It is an arithmetic number, because the mean of its divisors is an integer number (1163236088).

Almost surely, 2^22211002121 is an apocalyptic number.

It is an amenable number.

22211002121 is a deficient number, since it is larger than the sum of its proper divisors (5706663991).

22211002121 is a wasteful number, since it uses less digits than its factorization.

22211002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15293 (or 15282 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22211002121 its reverse (12120011222), we get a palindrome (34331013343).

The spelling of 22211002121 in words is "twenty-two billion, two hundred eleven million, two thousand, one hundred twenty-one".