1012021112101 has 8 divisors (see below), whose sum is σ = 1084462029504. Its totient is φ = 941014668480.

The previous prime is 1012021112041. The next prime is 1012021112107. The reversal of 1012021112101 is 1012111202101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1012021112101 - 2⁷ = 1012021111973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012021112107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358616985 + ... + 358619806.

It is an arithmetic number, because the mean of its divisors is an integer number (135557753688).

Almost surely, 2^{1012021112101} is an apocalyptic number.

It is an amenable number.

1012021112101 is a deficient number, since it is larger than the sum of its proper divisors (72440917403).

1012021112101 is an equidigital number, since it uses as much as digits as its factorization.

1012021112101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717236891.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1012021112101 its reverse (1012111202101), we get a palindrome (2024132314202).

The spelling of 1012021112101 in words is "one trillion, twelve billion, twenty-one million, one hundred twelve thousand, one hundred one".