1012021022101 has 8 divisors (see below), whose sum is σ = 1041909508640. Its totient is φ = 982421313552.

The previous prime is 1012021022087. The next prime is 1012021022227. The reversal of 1012021022101 is 1012201202101.

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 1012021022101 - 2¹¹ = 1012021020053 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 (1012021022401) 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, 72187386 + ... + 72201403.

It is an arithmetic number, because the mean of its divisors is an integer number (130238688580).

Almost surely, 2^{1012021022101} is an apocalyptic number.

It is an amenable number.

1012021022101 is a deficient number, since it is larger than the sum of its proper divisors (29888486539).

1012021022101 is a wasteful number, since it uses less digits than its factorization.

1012021022101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144388995.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1012021022101 its reverse (1012201202101), we get a palindrome (2024222224202).

The spelling of 1012021022101 in words is "one trillion, twelve billion, twenty-one million, twenty-two thousand, one hundred one".