10100123223021 has 24 divisors (see below), whose sum is σ = 15714113915136. Its totient is φ = 6214348352160.

The previous prime is 10100123222993. The next prime is 10100123223023. The reversal of 10100123223021 is 12032232100101.

It is not a de Polignac number, because 10100123223021 - 2¹⁵ = 10100123190253 is a prime.

It is a super-2 number, since 2×10100123223021² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10100123222985 and 10100123223003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10100123223023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7065925 + ... + 8374218.

It is an arithmetic number, because the mean of its divisors is an integer number (654754746464).

Almost surely, 2^{10100123223021} is an apocalyptic number.

It is an amenable number.

10100123223021 is a deficient number, since it is larger than the sum of its proper divisors (5613990692115).

10100123223021 is a wasteful number, since it uses less digits than its factorization.

10100123223021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15445753 (or 15445750 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 10100123223021 its reverse (12032232100101), we get a palindrome (22132355323122).

The spelling of 10100123223021 in words is "ten trillion, one hundred billion, one hundred twenty-three million, two hundred twenty-three thousand, twenty-one".