102020201132111 has 16 divisors (see below), whose sum is σ = 102402319932000. Its totient is φ = 101638479907200.

The previous prime is 102020201132039. The next prime is 102020201132123. The reversal of 102020201132111 is 111231102020201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 102020201132111 - 2³⁴ = 102003021262927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102020201132111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102020201132131) 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, 4924457525 + ... + 4924478241.

It is an arithmetic number, because the mean of its divisors is an integer number (6400144995750).

Almost surely, 2^{102020201132111} is an apocalyptic number.

102020201132111 is a deficient number, since it is larger than the sum of its proper divisors (382118799889).

102020201132111 is a wasteful number, since it uses less digits than its factorization.

102020201132111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29434.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 102020201132111 its reverse (111231102020201), we get a palindrome (213251303152312).

The spelling of 102020201132111 in words is "one hundred two trillion, twenty billion, two hundred one million, one hundred thirty-two thousand, one hundred eleven".