22221010103121 has 12 divisors (see below), whose sum is σ = 32414806818420. Its totient is φ = 14667333400800.

The previous prime is 22221010103119. The next prime is 22221010103269. The reversal of 22221010103121 is 12130101012222.

22221010103121 is a `hidden beast` number, since 222 + 210 + 10 + 103 + 121 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 19474569000000 + 2746441103121 = 4413000^2 + 1657239^2 .

It is not a de Polignac number, because 22221010103121 - 2¹ = 22221010103119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22221010103094 and 22221010103103.

It is not an unprimeable number, because it can be changed into a prime (22221010103111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12222776926 + ... + 12222778743.

It is an arithmetic number, because the mean of its divisors is an integer number (2701233901535).

Almost surely, 2^{22221010103121} is an apocalyptic number.

It is an amenable number.

22221010103121 is a deficient number, since it is larger than the sum of its proper divisors (10193796715299).

22221010103121 is a wasteful number, since it uses less digits than its factorization.

22221010103121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24445555776 (or 24445555773 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 22221010103121 its reverse (12130101012222), we get a palindrome (34351111115343).

The spelling of 22221010103121 in words is "twenty-two trillion, two hundred twenty-one billion, ten million, one hundred three thousand, one hundred twenty-one".