102001022100022 has 4 divisors (see below), whose sum is σ = 153001533150036. Its totient is φ = 51000511050010.

The previous prime is 102001022100007. The next prime is 102001022100077. The reversal of 102001022100022 is 220001220100201.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 102001022099975 and 102001022100011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25500255525004 + ... + 25500255525007.

It is an arithmetic number, because the mean of its divisors is an integer number (38250383287509).

Almost surely, 2^{102001022100022} is an apocalyptic number.

102001022100022 is a deficient number, since it is larger than the sum of its proper divisors (51000511050014).

102001022100022 is an equidigital number, since it uses as much as digits as its factorization.

102001022100022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51000511050013.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102001022100022 its reverse (220001220100201), we get a palindrome (322002242200223).

The spelling of 102001022100022 in words is "one hundred two trillion, one billion, twenty-two million, one hundred thousand, twenty-two".