10220210020121 has 4 divisors (see below), whose sum is σ = 10821398844852. Its totient is φ = 9619021195392.

The previous prime is 10220210020079. The next prime is 10220210020123. The reversal of 10220210020121 is 12102001202201.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7412360179225 + 2807849840896 = 2722565^2 + 1675664^2 .

It is a cyclic number.

It is not a de Polignac number, because 10220210020121 - 2¹⁴ = 10220210003737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10220210020096 and 10220210020105.

It is not an unprimeable number, because it can be changed into a prime (10220210020123) 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, 300594412340 + ... + 300594412373.

It is an arithmetic number, because the mean of its divisors is an integer number (2705349711213).

Almost surely, 2^{10220210020121} is an apocalyptic number.

It is an amenable number.

10220210020121 is a deficient number, since it is larger than the sum of its proper divisors (601188824731).

10220210020121 is an equidigital number, since it uses as much as digits as its factorization.

10220210020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601188824730.

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

Adding to 10220210020121 its reverse (12102001202201), we get a palindrome (22322211222322).

The spelling of 10220210020121 in words is "ten trillion, two hundred twenty billion, two hundred ten million, twenty thousand, one hundred twenty-one".