102100021021222 has 16 divisors (see below), whose sum is σ = 175029057902592. Its totient is φ = 43757039256840.

The previous prime is 102100021021129. The next prime is 102100021021241. The reversal of 102100021021222 is 222120120001201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102100021021196 and 102100021021205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3628038 + ... + 14743225.

It is an arithmetic number, because the mean of its divisors is an integer number (10939316118912).

Almost surely, 2^{102100021021222} is an apocalyptic number.

102100021021222 is a deficient number, since it is larger than the sum of its proper divisors (72929036881370).

102100021021222 is a wasteful number, since it uses less digits than its factorization.

102100021021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18768243.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102100021021222 its reverse (222120120001201), we get a palindrome (324220141022423).

The spelling of 102100021021222 in words is "one hundred two trillion, one hundred billion, twenty-one million, twenty-one thousand, two hundred twenty-two".