102111100121012 has 12 divisors (see below), whose sum is σ = 189205861989060. Its totient is φ = 48052282409856.

The previous prime is 102111100120969. The next prime is 102111100121081. The reversal of 102111100121012 is 210121001111201.

It can be written as a sum of positive squares in 2 ways, for example, as 65199229756816 + 36911870364196 = 8074604^2 + 6075514^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750816912587 + ... + 750816912722.

It is an arithmetic number, because the mean of its divisors is an integer number (15767155165755).

Almost surely, 2^{102111100121012} is an apocalyptic number.

It is an amenable number.

102111100121012 is a deficient number, since it is larger than the sum of its proper divisors (87094761868048).

102111100121012 is a wasteful number, since it uses less digits than its factorization.

102111100121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501633825330 (or 1501633825328 counting only the distinct ones).

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

Adding to 102111100121012 its reverse (210121001111201), we get a palindrome (312232101232213).

The spelling of 102111100121012 in words is "one hundred two trillion, one hundred eleven billion, one hundred million, one hundred twenty-one thousand, twelve".