222122000002121 has 8 divisors (see below), whose sum is σ = 233815714324320. Its totient is φ = 210428593954272.

The previous prime is 222122000002079. The next prime is 222122000002169. The reversal of 222122000002121 is 121200000221222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 222122000002121 - 2²⁶ = 222121932893257 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 222122000002121.

It is not an unprimeable number, because it can be changed into a prime (222122000002321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75588860 + ... + 78472413.

It is an arithmetic number, because the mean of its divisors is an integer number (29226964290540).

Almost surely, 2^{222122000002121} is an apocalyptic number.

It is an amenable number.

222122000002121 is a deficient number, since it is larger than the sum of its proper divisors (11693714322199).

222122000002121 is a wasteful number, since it uses less digits than its factorization.

222122000002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154137175.

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

Adding to 222122000002121 its reverse (121200000221222), we get a palindrome (343322000223343).

The spelling of 222122000002121 in words is "two hundred twenty-two trillion, one hundred twenty-two billion, two thousand, one hundred twenty-one".