102202021111011 has 4 divisors (see below), whose sum is σ = 136269361481352. Its totient is φ = 68134680740672.

The previous prime is 102202021111009. The next prime is 102202021111037. The reversal of 102202021111011 is 110111120202201.

It is a happy number.

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 102202021111011 - 2¹ = 102202021111009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102202021111081) 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, 17033670185166 + ... + 17033670185171.

It is an arithmetic number, because the mean of its divisors is an integer number (34067340370338).

Almost surely, 2^{102202021111011} is an apocalyptic number.

102202021111011 is a deficient number, since it is larger than the sum of its proper divisors (34067340370341).

102202021111011 is an equidigital number, since it uses as much as digits as its factorization.

102202021111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34067340370340.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 102202021111011 its reverse (110111120202201), we get a palindrome (212313141313212).

The spelling of 102202021111011 in words is "one hundred two trillion, two hundred two billion, twenty-one million, one hundred eleven thousand, eleven".