102200011011 has 28 divisors (see below), whose sum is σ = 175119917872. Its totient is φ = 58400003376.

The previous prime is 102200011003. The next prime is 102200011061. The reversal of 102200011011 is 110110002201.

It is a happy number.

It is not a de Polignac number, because 102200011011 - 2³ = 102200011003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102200010984 and 102200011002.

It is not an unprimeable number, because it can be changed into a prime (102200011061) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 10008616 + ... + 10018821.

Almost surely, 2^102200011011 is an apocalyptic number.

102200011011 is a deficient number, since it is larger than the sum of its proper divisors (72919906861).

102200011011 is an frugal number, since it uses more digits than its factorization.

102200011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20027462 (or 20027447 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 102200011011 its reverse (110110002201), we get a palindrome (212310013212).

The spelling of 102200011011 in words is "one hundred two billion, two hundred million, eleven thousand, eleven".