102021022110111 has 32 divisors (see below), whose sum is σ = 151553853480960. Its totient is φ = 60612988861824.

The previous prime is 102021022110083. The next prime is 102021022110131. The reversal of 102021022110111 is 111011220120201.

It is a happy number.

It is not a de Polignac number, because 102021022110111 - 2⁵ = 102021022110079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102021022110131) 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, 12893476 + ... + 19242758.

It is an arithmetic number, because the mean of its divisors is an integer number (4736057921280).

Almost surely, 2^{102021022110111} is an apocalyptic number.

102021022110111 is a deficient number, since it is larger than the sum of its proper divisors (49532831370849).

102021022110111 is a wasteful number, since it uses less digits than its factorization.

102021022110111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6363535.

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

Adding to 102021022110111 its reverse (111011220120201), we get a palindrome (213032242230312).

The spelling of 102021022110111 in words is "one hundred two trillion, twenty-one billion, twenty-two million, one hundred ten thousand, one hundred eleven".