10222112120002 has 4 divisors (see below), whose sum is σ = 15333168180006. Its totient is φ = 5111056060000.

The previous prime is 10222112119981. The next prime is 10222112120009. The reversal of 10222112120002 is 20002121122201.

It is a happy number.

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., 10070410438881 + 151701681121 = 3173391^2 + 389489^2 .

It is not an unprimeable number, because it can be changed into a prime (10222112120009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2555528029999 + ... + 2555528030002.

Almost surely, 2^{10222112120002} is an apocalyptic number.

10222112120002 is a deficient number, since it is larger than the sum of its proper divisors (5111056060004).

10222112120002 is an equidigital number, since it uses as much as digits as its factorization.

10222112120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5111056060003.

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

Adding to 10222112120002 its reverse (20002121122201), we get a palindrome (30224233242203).

The spelling of 10222112120002 in words is "ten trillion, two hundred twenty-two billion, one hundred twelve million, one hundred twenty thousand, two".