102021211102111 has 32 divisors (see below), whose sum is σ = 117937766016000. Its totient is φ = 86443050700800.

The previous prime is 102021211102061. The next prime is 102021211102163. The reversal of 102021211102111 is 111201112120201.

102021211102111 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 102021211102111 - 2¹⁷ = 102021210971039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102021271102111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1140379500 + ... + 1140468958.

It is an arithmetic number, because the mean of its divisors is an integer number (3685555188000).

Almost surely, 2^{102021211102111} is an apocalyptic number.

102021211102111 is a deficient number, since it is larger than the sum of its proper divisors (15916554913889).

102021211102111 is a wasteful number, since it uses less digits than its factorization.

102021211102111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92119.

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

Adding to 102021211102111 its reverse (111201112120201), we get a palindrome (213222323222312).

The spelling of 102021211102111 in words is "one hundred two trillion, twenty-one billion, two hundred eleven million, one hundred two thousand, one hundred eleven".