10200122210121 has 4 divisors (see below), whose sum is σ = 13600162946832. Its totient is φ = 6800081473412.

The previous prime is 10200122210107. The next prime is 10200122210129. The reversal of 10200122210121 is 12101222100201.

10200122210121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10200122210121 - 2⁹ = 10200122209609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10200122210121.

It is not an unprimeable number, because it can be changed into a prime (10200122210129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1700020368351 + ... + 1700020368356.

It is an arithmetic number, because the mean of its divisors is an integer number (3400040736708).

Almost surely, 2^{10200122210121} is an apocalyptic number.

It is an amenable number.

10200122210121 is a deficient number, since it is larger than the sum of its proper divisors (3400040736711).

10200122210121 is an equidigital number, since it uses as much as digits as its factorization.

10200122210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3400040736710.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10200122210121 its reverse (12101222100201), we get a palindrome (22301344310322).

The spelling of 10200122210121 in words is "ten trillion, two hundred billion, one hundred twenty-two million, two hundred ten thousand, one hundred twenty-one".