102012213311 has 4 divisors (see below), whose sum is σ = 102138310800. Its totient is φ = 101886115824.

The previous prime is 102012213301. The next prime is 102012213377. The reversal of 102012213311 is 113312210201.

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

It is a cyclic number.

It is not a de Polignac number, because 102012213311 - 2¹⁰ = 102012212287 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102012213311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102012213301) 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, 63047531 + ... + 63049148.

It is an arithmetic number, because the mean of its divisors is an integer number (25534577700).

Almost surely, 2^102012213311 is an apocalyptic number.

102012213311 is a deficient number, since it is larger than the sum of its proper divisors (126097489).

102012213311 is an equidigital number, since it uses as much as digits as its factorization.

102012213311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126097488.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 102012213311 its reverse (113312210201), we get a palindrome (215324423512).

The spelling of 102012213311 in words is "one hundred two billion, twelve million, two hundred thirteen thousand, three hundred eleven".