1012121021102 has 8 divisors (see below), whose sum is σ = 1543913422200. Its totient is φ = 497483213704.

The previous prime is 1012121021089. The next prime is 1012121021111. The reversal of 1012121021102 is 2011201212101.

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

It is a super-2 number, since 2×1012121021102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4288648277 + ... + 4288648512.

It is an arithmetic number, because the mean of its divisors is an integer number (192989177775).

Almost surely, 2^{1012121021102} is an apocalyptic number.

1012121021102 is a deficient number, since it is larger than the sum of its proper divisors (531792401098).

1012121021102 is an equidigital number, since it uses as much as digits as its factorization.

1012121021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8577296850.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1012121021102 its reverse (2011201212101), we get a palindrome (3023322233203).

The spelling of 1012121021102 in words is "one trillion, twelve billion, one hundred twenty-one million, twenty-one thousand, one hundred two".