2222102002121 has 16 divisors (see below), whose sum is σ = 2389708231680. Its totient is φ = 2061123094800.

The previous prime is 2222102002103. The next prime is 2222102002139. The reversal of 2222102002121 is 1212002012222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2222102002103) and next prime (2222102002139).

It is not a de Polignac number, because 2222102002121 - 2³⁸ = 1947224095177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2222102002121.

It is not an unprimeable number, because it can be changed into a prime (2222102002321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7944605 + ... + 8219546.

It is an arithmetic number, because the mean of its divisors is an integer number (149356764480).

Almost surely, 2^{2222102002121} is an apocalyptic number.

It is an amenable number.

2222102002121 is a deficient number, since it is larger than the sum of its proper divisors (167606229559).

2222102002121 is a wasteful number, since it uses less digits than its factorization.

2222102002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16164356.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2222102002121 its reverse (1212002012222), we get a palindrome (3434104014343).

The spelling of 2222102002121 in words is "two trillion, two hundred twenty-two billion, one hundred two million, two thousand, one hundred twenty-one".