102021111114 has 16 divisors (see below), whose sum is σ = 219737777952. Its totient is φ = 31391111088.

The previous prime is 102021111029. The next prime is 102021111139. The reversal of 102021111114 is 411111120201.

It is a happy number.

It is a super-2 number, since 2×102021111114² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102021111093 and 102021111102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 653981404 + ... + 653981559.

It is an arithmetic number, because the mean of its divisors is an integer number (13733611122).

Almost surely, 2^102021111114 is an apocalyptic number.

102021111114 is an abundant number, since it is smaller than the sum of its proper divisors (117716666838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102021111114 is a wasteful number, since it uses less digits than its factorization.

102021111114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307962981.

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

Adding to 102021111114 its reverse (411111120201), we get a palindrome (513132231315).

The spelling of 102021111114 in words is "one hundred two billion, twenty-one million, one hundred eleven thousand, one hundred fourteen".