10123212210121 has 8 divisors (see below), whose sum is σ = 10371834998784. Its totient is φ = 9874671096480.

The previous prime is 10123212210109. The next prime is 10123212210131. The reversal of 10123212210121 is 12101221232101.

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

It is a cyclic number.

It is not a de Polignac number, because 10123212210121 - 2²¹ = 10123210112969 is a prime.

It is a super-2 number, since 2×10123212210121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10123212210131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20167785 + ... + 20663638.

It is an arithmetic number, because the mean of its divisors is an integer number (1296479374848).

Almost surely, 2^{10123212210121} is an apocalyptic number.

It is an amenable number.

10123212210121 is a deficient number, since it is larger than the sum of its proper divisors (248622788663).

10123212210121 is an equidigital number, since it uses as much as digits as its factorization.

10123212210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40837511.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 10123212210121 its reverse (12101221232101), we get a palindrome (22224433442222).

The spelling of 10123212210121 in words is "ten trillion, one hundred twenty-three billion, two hundred twelve million, two hundred ten thousand, one hundred twenty-one".