10001012220123 has 32 divisors (see below), whose sum is σ = 14285227411200. Its totient is φ = 6204667392000.

The previous prime is 10001012220107. The next prime is 10001012220131. The reversal of 10001012220123 is 32102221010001.

It is not a de Polignac number, because 10001012220123 - 2⁴ = 10001012220107 is a prime.

It is a super-2 number, since 2×10001012220123² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10001012220223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3316923 + ... + 5568123.

It is an arithmetic number, because the mean of its divisors is an integer number (446413356600).

Almost surely, 2^{10001012220123} is an apocalyptic number.

10001012220123 is a deficient number, since it is larger than the sum of its proper divisors (4284215191077).

10001012220123 is a wasteful number, since it uses less digits than its factorization.

10001012220123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2252603.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 10001012220123 its reverse (32102221010001), we get a palindrome (42103233230124).

The spelling of 10001012220123 in words is "ten trillion, one billion, twelve million, two hundred twenty thousand, one hundred twenty-three".