1020120100102 has 8 divisors (see below), whose sum is σ = 1530249271200. Its totient is φ = 510037009704.

The previous prime is 1020120100057. The next prime is 1020120100171. The reversal of 1020120100102 is 2010010210201.

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

It is a super-2 number, since 2×1020120100102² (a number of 25 digits) contains 22 as substring.

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, 11464777 + ... + 11553412.

It is an arithmetic number, because the mean of its divisors is an integer number (191281158900).

Almost surely, 2^{1020120100102} is an apocalyptic number.

1020120100102 is a deficient number, since it is larger than the sum of its proper divisors (510129171098).

1020120100102 is a wasteful number, since it uses less digits than its factorization.

1020120100102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23040350.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1020120100102 its reverse (2010010210201), we get a palindrome (3030130310303).

It can be divided in two parts, 10201 and 20100102, that multiplied together give a palindrome (205041140502).

The spelling of 1020120100102 in words is "one trillion, twenty billion, one hundred twenty million, one hundred thousand, one hundred two".