102111211222222 has 8 divisors (see below), whose sum is σ = 153171781653672. Its totient is φ = 51053950671000.

The previous prime is 102111211222211. The next prime is 102111211222253. The reversal of 102111211222222 is 222222112111201.

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

It is a super-2 number, since 2×102111211222222² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102111211222193 and 102111211222202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 827392929 + ... + 827516332.

It is an arithmetic number, because the mean of its divisors is an integer number (19146472706709).

Almost surely, 2^{102111211222222} is an apocalyptic number.

102111211222222 is a deficient number, since it is larger than the sum of its proper divisors (51060570431450).

102111211222222 is a wasteful number, since it uses less digits than its factorization.

102111211222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654940114.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 102111211222222 its reverse (222222112111201), we get a palindrome (324333323333423).

The spelling of 102111211222222 in words is "one hundred two trillion, one hundred eleven billion, two hundred eleven million, two hundred twenty-two thousand, two hundred twenty-two".