1002100022222 has 8 divisors (see below), whose sum is σ = 1618776959016. Its totient is φ = 462507702552.

The previous prime is 1002100022141. The next prime is 1002100022269. The reversal of 1002100022222 is 2222200012001.

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

It is a junction number, because it is equal to n+sod(n) for n = 1002100022197 and 1002100022206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19271154248 + ... + 19271154299.

It is an arithmetic number, because the mean of its divisors is an integer number (202347119877).

Almost surely, 2^{1002100022222} is an apocalyptic number.

1002100022222 is a deficient number, since it is larger than the sum of its proper divisors (616676936794).

1002100022222 is a wasteful number, since it uses less digits than its factorization.

1002100022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38542308562.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1002100022222 its reverse (2222200012001), we get a palindrome (3224300034223).

The spelling of 1002100022222 in words is "one trillion, two billion, one hundred million, twenty-two thousand, two hundred twenty-two".