102020110012021 has 16 divisors (see below), whose sum is σ = 102698529373440. Its totient is φ = 101342973173760.

The previous prime is 102020110012019. The next prime is 102020110012031. The reversal of 102020110012021 is 120210011020201.

It is a cyclic number.

It is not a de Polignac number, because 102020110012021 - 2¹ = 102020110012019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102020110011992 and 102020110012010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102020110012031) 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, 2238782325 + ... + 2238827893.

It is an arithmetic number, because the mean of its divisors is an integer number (6418658085840).

Almost surely, 2^{102020110012021} is an apocalyptic number.

It is an amenable number.

102020110012021 is a deficient number, since it is larger than the sum of its proper divisors (678419361419).

102020110012021 is a wasteful number, since it uses less digits than its factorization.

102020110012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59316.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102020110012021 its reverse (120210011020201), we get a palindrome (222230121032222).

The spelling of 102020110012021 in words is "one hundred two trillion, twenty billion, one hundred ten million, twelve thousand, twenty-one".