102000021221201 has 8 divisors (see below), whose sum is σ = 103150984070784. Its totient is φ = 100852148206080.

The previous prime is 102000021221183. The next prime is 102000021221243. The reversal of 102000021221201 is 102122120000201.

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 102000021221201 - 2³⁴ = 101982841352017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102000021221801) 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, 772392221 + ... + 772524266.

It is an arithmetic number, because the mean of its divisors is an integer number (12893873008848).

Almost surely, 2^{102000021221201} is an apocalyptic number.

It is an amenable number.

102000021221201 is a deficient number, since it is larger than the sum of its proper divisors (1150962849583).

102000021221201 is a wasteful number, since it uses less digits than its factorization.

102000021221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544917231.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102000021221201 its reverse (102122120000201), we get a palindrome (204122141221402).

The spelling of 102000021221201 in words is "one hundred two trillion, twenty-one million, two hundred twenty-one thousand, two hundred one".