102020201101 has 48 divisors (see below), whose sum is σ = 131904408960. Its totient is φ = 77161593600.

The previous prime is 102020201053. The next prime is 102020201113. The reversal of 102020201101 is 101102020201.

It is not a de Polignac number, because 102020201101 - 2¹³ = 102020192909 is a prime.

It is a super-2 number, since 2×102020201101² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102020201191) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3450286 + ... + 3479728.

It is an arithmetic number, because the mean of its divisors is an integer number (2748008520).

Almost surely, 2^102020201101 is an apocalyptic number.

It is an amenable number.

102020201101 is a deficient number, since it is larger than the sum of its proper divisors (29884207859).

102020201101 is a wasteful number, since it uses less digits than its factorization.

102020201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29606 (or 29593 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 102020201101 its reverse (101102020201), we get a palindrome (203122221302).

It can be divided in two parts, 102020201 and 101, that multiplied together give a palindrome (10304040301).

The spelling of 102020201101 in words is "one hundred two billion, twenty million, two hundred one thousand, one hundred one".