102021212101101 has 32 divisors (see below), whose sum is σ = 148678235467776. Its totient is φ = 61947463392000.

The previous prime is 102021212101091. The next prime is 102021212101181. The reversal of 102021212101101 is 101101212120201.

It is a happy number.

It is not a de Polignac number, because 102021212101101 - 2²⁶ = 102021144992237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102021212101181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117717966 + ... + 118581456.

It is an arithmetic number, because the mean of its divisors is an integer number (4646194858368).

Almost surely, 2^{102021212101101} is an apocalyptic number.

It is an amenable number.

102021212101101 is a deficient number, since it is larger than the sum of its proper divisors (46657023366675).

102021212101101 is a wasteful number, since it uses less digits than its factorization.

102021212101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938273.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 102021212101101 its reverse (101101212120201), we get a palindrome (203122424221302).

The spelling of 102021212101101 in words is "one hundred two trillion, twenty-one billion, two hundred twelve million, one hundred one thousand, one hundred one".