1012112021101 has 8 divisors (see below), whose sum is σ = 1013936695200. Its totient is φ = 1010287530480.

The previous prime is 1012112021077. The next prime is 1012112021143. The reversal of 1012112021101 is 1011202112101.

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 a de Polignac number, because none of the positive numbers 2^k-1012112021101 is a prime.

It is a super-3 number, since 3×1012112021101³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012112001101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16018710 + ... + 16081768.

It is an arithmetic number, because the mean of its divisors is an integer number (126742086900).

Almost surely, 2^{1012112021101} is an apocalyptic number.

It is an amenable number.

1012112021101 is a deficient number, since it is larger than the sum of its proper divisors (1824674099).

1012112021101 is an equidigital number, since it uses as much as digits as its factorization.

1012112021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91739.

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

Adding to 1012112021101 its reverse (1011202112101), we get a palindrome (2023314133202).

The spelling of 1012112021101 in words is "one trillion, twelve billion, one hundred twelve million, twenty-one thousand, one hundred one".