10220121002121 has 8 divisors (see below), whose sum is σ = 13631253746880. Its totient is φ = 6811201129392.

The previous prime is 10220121002089. The next prime is 10220121002123. The reversal of 10220121002121 is 12120012102201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10220121002121 - 2⁵ = 10220121002089 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10220121002121.

It is not an unprimeable number, because it can be changed into a prime (10220121002123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553207230 + ... + 553225703.

It is an arithmetic number, because the mean of its divisors is an integer number (1703906718360).

Almost surely, 2^{10220121002121} is an apocalyptic number.

It is an amenable number.

10220121002121 is a deficient number, since it is larger than the sum of its proper divisors (3411132744759).

10220121002121 is a wasteful number, since it uses less digits than its factorization.

10220121002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106436015.

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

Adding to 10220121002121 its reverse (12120012102201), we get a palindrome (22340133104322).

The spelling of 10220121002121 in words is "ten trillion, two hundred twenty billion, one hundred twenty-one million, two thousand, one hundred twenty-one".