102201221132021 has 16 divisors (see below), whose sum is σ = 111639382895040. Its totient is φ = 92787587665920.

The previous prime is 102201221131991. The next prime is 102201221132027. The reversal of 102201221132021 is 120231122102201.

It is a cyclic number.

It is not a de Polignac number, because 102201221132021 - 2¹⁰ = 102201221130997 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 102201221131984 and 102201221132002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102201221132027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 653997131 + ... + 654153383.

It is an arithmetic number, because the mean of its divisors is an integer number (6977461430940).

Almost surely, 2^{102201221132021} is an apocalyptic number.

102201221132021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102201221132021 is a deficient number, since it is larger than the sum of its proper divisors (9438161763019).

102201221132021 is a wasteful number, since it uses less digits than its factorization.

102201221132021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234356.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 102201221132021 its reverse (120231122102201), we get a palindrome (222432343234222).

The spelling of 102201221132021 in words is "one hundred two trillion, two hundred one billion, two hundred twenty-one million, one hundred thirty-two thousand, twenty-one".