102021011211011 has 16 divisors (see below), whose sum is σ = 102668162826240. Its totient is φ = 101375750785920.

The previous prime is 102021011210981. The next prime is 102021011211019. The reversal of 102021011211011 is 110112110120201.

It is a cyclic number.

It is not a de Polignac number, because 102021011211011 - 2⁶ = 102021011210947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102021011211019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1383730430 + ... + 1383804156.

It is an arithmetic number, because the mean of its divisors is an integer number (6416760176640).

Almost surely, 2^{102021011211011} is an apocalyptic number.

102021011211011 is a deficient number, since it is larger than the sum of its proper divisors (647151615229).

102021011211011 is a wasteful number, since it uses less digits than its factorization.

102021011211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86434.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 102021011211011 its reverse (110112110120201), we get a palindrome (212133121331212).

The spelling of 102021011211011 in words is "one hundred two trillion, twenty-one billion, eleven million, two hundred eleven thousand, eleven".