1011012021101 has 8 divisors (see below), whose sum is σ = 1028156048064. Its totient is φ = 993948672640.

The previous prime is 1011012021091. The next prime is 1011012021109. The reversal of 1011012021101 is 1011202101101.

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 1011012021101 - 2⁶ = 1011012021037 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 (1011012021109) 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, 20144351 + ... + 20194476.

It is an arithmetic number, because the mean of its divisors is an integer number (128519506008).

Almost surely, 2^{1011012021101} is an apocalyptic number.

It is an amenable number.

1011012021101 is a deficient number, since it is larger than the sum of its proper divisors (17144026963).

1011012021101 is an equidigital number, since it uses as much as digits as its factorization.

1011012021101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40339251.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1011012021101 its reverse (1011202101101), we get a palindrome (2022214122202).

The spelling of 1011012021101 in words is "one trillion, eleven billion, twelve million, twenty-one thousand, one hundred one".