12101022121222 has 8 divisors (see below), whose sum is σ = 18422451587736. Its totient is φ = 5960204925312.

The previous prime is 12101022121193. The next prime is 12101022121241. The reversal of 12101022121222 is 22212122010121.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12101022121222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45153067483 + ... + 45153067750.

It is an arithmetic number, because the mean of its divisors is an integer number (2302806448467).

Almost surely, 2^{12101022121222} is an apocalyptic number.

12101022121222 is a deficient number, since it is larger than the sum of its proper divisors (6321429466514).

12101022121222 is an equidigital number, since it uses as much as digits as its factorization.

12101022121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90306135302.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12101022121222 its reverse (22212122010121), we get a palindrome (34313144131343).

The spelling of 12101022121222 in words is "twelve trillion, one hundred one billion, twenty-two million, one hundred twenty-one thousand, two hundred twenty-two".