10100121222021 has 32 divisors (see below), whose sum is σ = 13795412133888. Its totient is φ = 6569475736320.

The previous prime is 10100121222001. The next prime is 10100121222041. The reversal of 10100121222021 is 12022212100101.

It is an interprime number because it is at equal distance from previous prime (10100121222001) and next prime (10100121222041).

It is not a de Polignac number, because 10100121222021 - 2¹⁷ = 10100121090949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10100121222001) 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 31 ways as a sum of consecutive naturals, for example, 663295810 + ... + 663311036.

It is an arithmetic number, because the mean of its divisors is an integer number (431106629184).

Almost surely, 2^{10100121222021} is an apocalyptic number.

It is an amenable number.

10100121222021 is a deficient number, since it is larger than the sum of its proper divisors (3695290911867).

10100121222021 is a wasteful number, since it uses less digits than its factorization.

10100121222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20681.

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

Adding to 10100121222021 its reverse (12022212100101), we get a palindrome (22122333322122).

It can be divided in two parts, 10100 and 121222021, that added together give a palindrome (121232121).

The spelling of 10100121222021 in words is "ten trillion, one hundred billion, one hundred twenty-one million, two hundred twenty-two thousand, twenty-one".