10220121120122 has 4 divisors (see below), whose sum is σ = 15330181680186. Its totient is φ = 5110060560060.

The previous prime is 10220121120101. The next prime is 10220121120127. The reversal of 10220121120122 is 22102112102201.

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., 8297159269441 + 1922961850681 = 2880479^2 + 1386709^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10220121120122.

It is not an unprimeable number, because it can be changed into a prime (10220121120127) by changing a digit.

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, 2555030280029 + ... + 2555030280032.

Almost surely, 2^{10220121120122} is an apocalyptic number.

10220121120122 is a deficient number, since it is larger than the sum of its proper divisors (5110060560064).

10220121120122 is an equidigital number, since it uses as much as digits as its factorization.

10220121120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5110060560063.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10220121120122 its reverse (22102112102201), we get a palindrome (32322233222323).

The spelling of 10220121120122 in words is "ten trillion, two hundred twenty billion, one hundred twenty-one million, one hundred twenty thousand, one hundred twenty-two".