102021020110101 has 16 divisors (see below), whose sum is σ = 140725444805568. Its totient is φ = 65698153488000.

The previous prime is 102021020110073. The next prime is 102021020110109. The reversal of 102021020110101 is 101011020120201.

It is not a de Polignac number, because 102021020110101 - 2²⁹ = 102020483239189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102021020110109) 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, 4106122171 + ... + 4106147016.

It is an arithmetic number, because the mean of its divisors is an integer number (8795340300348).

Almost surely, 2^{102021020110101} is an apocalyptic number.

It is an amenable number.

102021020110101 is a deficient number, since it is larger than the sum of its proper divisors (38704424695467).

102021020110101 is a wasteful number, since it uses less digits than its factorization.

102021020110101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8212269332.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 102021020110101 its reverse (101011020120201), we get a palindrome (203032040230302).

The spelling of 102021020110101 in words is "one hundred two trillion, twenty-one billion, twenty million, one hundred ten thousand, one hundred one".