102000211011 has 8 divisors (see below), whose sum is σ = 151111423760. Its totient is φ = 68000140656.

The previous prime is 102000211007. The next prime is 102000211037. The reversal of 102000211011 is 110112000201.

It is a happy number.

It is not a de Polignac number, because 102000211011 - 2² = 102000211007 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 = 102000210984 and 102000211002.

It is not an unprimeable number, because it can be changed into a prime (102000211811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1888892770 + ... + 1888892823.

It is an arithmetic number, because the mean of its divisors is an integer number (18888927970).

Almost surely, 2^102000211011 is an apocalyptic number.

102000211011 is a deficient number, since it is larger than the sum of its proper divisors (49111212749).

102000211011 is an equidigital number, since it uses as much as digits as its factorization.

102000211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3777785602 (or 3777785596 counting only the distinct ones).

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

Adding to 102000211011 its reverse (110112000201), we get a palindrome (212112211212).

The spelling of 102000211011 in words is "one hundred two billion, two hundred eleven thousand, eleven".