2212222002121 has 16 divisors (see below), whose sum is σ = 2272591017088. Its totient is φ = 2152648742400.

The previous prime is 2212222002103. The next prime is 2212222002127. The reversal of 2212222002121 is 1212002222122.

It is a cyclic number.

It is not a de Polignac number, because 2212222002121 - 2¹¹ = 2212222000073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212222002127) 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, 14735566 + ... + 14884936.

It is an arithmetic number, because the mean of its divisors is an integer number (142036938568).

Almost surely, 2^{2212222002121} is an apocalyptic number.

It is an amenable number.

2212222002121 is a deficient number, since it is larger than the sum of its proper divisors (60369014967).

2212222002121 is a wasteful number, since it uses less digits than its factorization.

2212222002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152032.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2212222002121 its reverse (1212002222122), we get a palindrome (3424224224243).

The spelling of 2212222002121 in words is "two trillion, two hundred twelve billion, two hundred twenty-two million, two thousand, one hundred twenty-one".