222121121002108 has 6 divisors (see below), whose sum is σ = 388711961753696. Its totient is φ = 111060560501052.

The previous prime is 222121121002021. The next prime is 222121121002127. The reversal of 222121121002108 is 801200121121222.

It is a super-2 number, since 2×222121121002108² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27765140125260 + ... + 27765140125267.

Almost surely, 2^{222121121002108} is an apocalyptic number.

It is an amenable number.

222121121002108 is a deficient number, since it is larger than the sum of its proper divisors (166590840751588).

222121121002108 is a wasteful number, since it uses less digits than its factorization.

222121121002108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55530280250531 (or 55530280250529 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 25.

The spelling of 222121121002108 in words is "two hundred twenty-two trillion, one hundred twenty-one billion, one hundred twenty-one million, two thousand, one hundred eight".