102001213023121 has 8 divisors (see below), whose sum is σ = 103413500618400. Its totient is φ = 100593291078432.

The previous prime is 102001213023013. The next prime is 102001213023131. The reversal of 102001213023121 is 121320312100201.

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 102001213023121 - 2⁹ = 102001213022609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102001213023131) 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, 1091365596 + ... + 1091459053.

It is an arithmetic number, because the mean of its divisors is an integer number (12926687577300).

Almost surely, 2^{102001213023121} is an apocalyptic number.

It is an amenable number.

102001213023121 is a deficient number, since it is larger than the sum of its proper divisors (1412287595279).

102001213023121 is an equidigital number, since it uses as much as digits as its factorization.

102001213023121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2182825295.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 102001213023121 its reverse (121320312100201), we get a palindrome (223321525123322).

The spelling of 102001213023121 in words is "one hundred two trillion, one billion, two hundred thirteen million, twenty-three thousand, one hundred twenty-one".