102011211223 has 16 divisors (see below), whose sum is σ = 110930918400. Its totient is φ = 93451458240.

The previous prime is 102011211209. The next prime is 102011211287. The reversal of 102011211223 is 322112110201.

It is a cyclic number.

It is not a de Polignac number, because 102011211223 - 2¹⁷ = 102011080151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102011211197 and 102011211206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102011211023) 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, 692040 + ... + 826402.

It is an arithmetic number, because the mean of its divisors is an integer number (6933182400).

Almost surely, 2^102011211223 is an apocalyptic number.

102011211223 is a deficient number, since it is larger than the sum of its proper divisors (8919707177).

102011211223 is a wasteful number, since it uses less digits than its factorization.

102011211223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135702.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 102011211223 its reverse (322112110201), we get a palindrome (424123321424).

The spelling of 102011211223 in words is "one hundred two billion, eleven million, two hundred eleven thousand, two hundred twenty-three".