123010101001221 has 8 divisors (see below), whose sum is σ = 187443963430464. Its totient is φ = 70291486286400.

The previous prime is 123010101001187. The next prime is 123010101001243. The reversal of 123010101001221 is 122100101010321.

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

It is not a de Polignac number, because 123010101001221 - 2¹³ = 123010100993029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123010101001221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123010101001261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2928811928580 + ... + 2928811928621.

It is an arithmetic number, because the mean of its divisors is an integer number (23430495428808).

Almost surely, 2^{123010101001221} is an apocalyptic number.

It is an amenable number.

123010101001221 is a deficient number, since it is larger than the sum of its proper divisors (64433862429243).

123010101001221 is an equidigital number, since it uses as much as digits as its factorization.

123010101001221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5857623857211.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 123010101001221 its reverse (122100101010321), we get a palindrome (245110202011542).

The spelling of 123010101001221 in words is "one hundred twenty-three trillion, ten billion, one hundred one million, one thousand, two hundred twenty-one".