102012211232011 has 4 divisors (see below), whose sum is σ = 102038909014224. Its totient is φ = 101985513449800.

The previous prime is 102012211231963. The next prime is 102012211232027. The reversal of 102012211232011 is 110232112210201.

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 102012211232011 - 2³³ = 102003621297419 is a prime.

It is a super-2 number, since 2×102012211232011² (a number of 29 digits) contains 22 as substring.

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 102012211232011.

It is not an unprimeable number, because it can be changed into a prime (102012211232081) 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, 13348885375 + ... + 13348893016.

It is an arithmetic number, because the mean of its divisors is an integer number (25509727253556).

Almost surely, 2^{102012211232011} is an apocalyptic number.

102012211232011 is a deficient number, since it is larger than the sum of its proper divisors (26697782213).

102012211232011 is an equidigital number, since it uses as much as digits as its factorization.

102012211232011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26697782212.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 102012211232011 its reverse (110232112210201), we get a palindrome (212244323442212).

The spelling of 102012211232011 in words is "one hundred two trillion, twelve billion, two hundred eleven million, two hundred thirty-two thousand, eleven".