123021002101 has 8 divisors (see below), whose sum is σ = 123269112000. Its totient is φ = 122773035840.

The previous prime is 123021002059. The next prime is 123021002131. The reversal of 123021002101 is 101200120321.

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 123021002101 - 2⁷ = 123021001973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123021002131) 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, 1769485 + ... + 1837693.

It is an arithmetic number, because the mean of its divisors is an integer number (15408639000).

Almost surely, 2^123021002101 is an apocalyptic number.

It is an amenable number.

123021002101 is a deficient number, since it is larger than the sum of its proper divisors (248109899).

123021002101 is an equidigital number, since it uses as much as digits as its factorization.

123021002101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71819.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 123021002101 its reverse (101200120321), we get a palindrome (224221122422).

The spelling of 123021002101 in words is "one hundred twenty-three billion, twenty-one million, two thousand, one hundred one".