102121200211222 has 4 divisors (see below), whose sum is σ = 153181800316836. Its totient is φ = 51060600105610.

The previous prime is 102121200211207. The next prime is 102121200211241. The reversal of 102121200211222 is 222112002121201.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×102121200211222³ (a number of 43 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102121200211222.

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, 25530300052804 + ... + 25530300052807.

It is an arithmetic number, because the mean of its divisors is an integer number (38295450079209).

Almost surely, 2^{102121200211222} is an apocalyptic number.

102121200211222 is a deficient number, since it is larger than the sum of its proper divisors (51060600105614).

102121200211222 is an equidigital number, since it uses as much as digits as its factorization.

102121200211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51060600105613.

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

Adding to 102121200211222 its reverse (222112002121201), we get a palindrome (324233202332423).

The spelling of 102121200211222 in words is "one hundred two trillion, one hundred twenty-one billion, two hundred million, two hundred eleven thousand, two hundred twenty-two".