102100121122222 has 4 divisors (see below), whose sum is σ = 153150181683336. Its totient is φ = 51050060561110.

The previous prime is 102100121122213. The next prime is 102100121122261. The reversal of 102100121122222 is 222221121001201.

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

It is a self number, because there is not a number n which added to its sum of digits gives 102100121122222.

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, 25525030280554 + ... + 25525030280557.

It is an arithmetic number, because the mean of its divisors is an integer number (38287545420834).

Almost surely, 2^{102100121122222} is an apocalyptic number.

102100121122222 is a deficient number, since it is larger than the sum of its proper divisors (51050060561114).

102100121122222 is an equidigital number, since it uses as much as digits as its factorization.

102100121122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51050060561113.

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

Adding to 102100121122222 its reverse (222221121001201), we get a palindrome (324321242123423).

The spelling of 102100121122222 in words is "one hundred two trillion, one hundred billion, one hundred twenty-one million, one hundred twenty-two thousand, two hundred twenty-two".