102210010020122 has 4 divisors (see below), whose sum is σ = 153315015030186. Its totient is φ = 51105005010060.

The previous prime is 102210010020121. The next prime is 102210010020163. The reversal of 102210010020122 is 221020010012201.

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

It can be written as a sum of positive squares in only one way, i.e., 93012734664721 + 9197275355401 = 9644311^2 + 3032701^2 .

It is a super-2 number, since 2×102210010020122² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102210010020097 and 102210010020106.

It is not an unprimeable number, because it can be changed into a prime (102210010020121) by changing a digit.

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 as a sum of consecutive naturals, namely, 25552502505029 + ... + 25552502505032.

Almost surely, 2^{102210010020122} is an apocalyptic number.

102210010020122 is a deficient number, since it is larger than the sum of its proper divisors (51105005010064).

102210010020122 is an equidigital number, since it uses as much as digits as its factorization.

102210010020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51105005010063.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102210010020122 its reverse (221020010012201), we get a palindrome (323230020032323).

The spelling of 102210010020122 in words is "one hundred two trillion, two hundred ten billion, ten million, twenty thousand, one hundred twenty-two".