120102121010 has 8 divisors (see below), whose sum is σ = 216183817836. Its totient is φ = 48040848400.

The previous prime is 120102120973. The next prime is 120102121037. The reversal of 120102121010 is 10121201021.

It can be written as a sum of positive squares in 2 ways, for example, as 103669188529 + 16432932481 = 321977^2 + 128191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×120102121010² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120102120982 and 120102121000.

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, 6005106041 + ... + 6005106060.

Almost surely, 2^120102121010 is an apocalyptic number.

120102121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120102121010 is a deficient number, since it is larger than the sum of its proper divisors (96081696826).

120102121010 is a wasteful number, since it uses less digits than its factorization.

120102121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12010212108.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 120102121010 its reverse (10121201021), we get a palindrome (130223322031).

The spelling of 120102121010 in words is "one hundred twenty billion, one hundred two million, one hundred twenty-one thousand, ten".