10011101120021 has 8 divisors (see below), whose sum is σ = 10356499213920. Its totient is φ = 9665715540208.

The previous prime is 10011101120003. The next prime is 10011101120039. The reversal of 10011101120021 is 12002110111001.

It is an interprime number because it is at equal distance from previous prime (10011101120003) and next prime (10011101120039).

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 10011101120021 - 2¹⁴ = 10011101103637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10011101119984 and 10011101120011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011101120071) 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, 1486331 + ... + 4715016.

It is an arithmetic number, because the mean of its divisors is an integer number (1294562401740).

Almost surely, 2^{10011101120021} is an apocalyptic number.

It is an amenable number.

10011101120021 is a deficient number, since it is larger than the sum of its proper divisors (345398093899).

10011101120021 is an equidigital number, since it uses as much as digits as its factorization.

10011101120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6257043.

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

Adding to 10011101120021 its reverse (12002110111001), we get a palindrome (22013211231022).

The spelling of 10011101120021 in words is "ten trillion, eleven billion, one hundred one million, one hundred twenty thousand, twenty-one".