102020020200011 has 4 divisors (see below), whose sum is σ = 107389494947400. Its totient is φ = 96650545452624.

The previous prime is 102020020199987. The next prime is 102020020200037. The reversal of 102020020200011 is 110002020020201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 102020020200011 - 2²² = 102020016005707 is a prime.

It is a super-2 number, since 2×102020020200011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102020020199965 and 102020020200001.

It is not an unprimeable number, because it can be changed into a prime (102020020200041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2684737373666 + ... + 2684737373703.

It is an arithmetic number, because the mean of its divisors is an integer number (26847373736850).

Almost surely, 2^{102020020200011} is an apocalyptic number.

102020020200011 is a deficient number, since it is larger than the sum of its proper divisors (5369474747389).

102020020200011 is an equidigital number, since it uses as much as digits as its factorization.

102020020200011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5369474747388.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 102020020200011 its reverse (110002020020201), we get a palindrome (212022040220212).

The spelling of 102020020200011 in words is "one hundred two trillion, twenty billion, twenty million, two hundred thousand, eleven".