10011220210121 has 24 divisors (see below), whose sum is σ = 10999290226176. Its totient is φ = 9105951953280.

The previous prime is 10011220210099. The next prime is 10011220210139. The reversal of 10011220210121 is 12101202211001.

It is not a de Polignac number, because 10011220210121 - 2¹⁰ = 10011220209097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10011220210096 and 10011220210105.

It is not an unprimeable number, because it can be changed into a prime (10011220212121) 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 in 23 ways as a sum of consecutive naturals, for example, 21645341 + ... + 22103013.

It is an arithmetic number, because the mean of its divisors is an integer number (458303759424).

Almost surely, 2^{10011220210121} is an apocalyptic number.

It is an amenable number.

10011220210121 is a deficient number, since it is larger than the sum of its proper divisors (988070016055).

10011220210121 is a wasteful number, since it uses less digits than its factorization.

10011220210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459593 (or 459580 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10011220210121 its reverse (12101202211001), we get a palindrome (22112422421122).

The spelling of 10011220210121 in words is "ten trillion, eleven billion, two hundred twenty million, two hundred ten thousand, one hundred twenty-one".