10112011101221 has 8 divisors (see below), whose sum is σ = 10457287666944. Its totient is φ = 9767927201760.

The previous prime is 10112011101169. The next prime is 10112011101239. The reversal of 10112011101221 is 12210111021101.

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-10112011101221 is a prime.

It is a super-2 number, since 2×10112011101221² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10112011101196 and 10112011101205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10112011101121) 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, 298149320 + ... + 298183233.

It is an arithmetic number, because the mean of its divisors is an integer number (1307160958368).

Almost surely, 2^{10112011101221} is an apocalyptic number.

It is an amenable number.

10112011101221 is a deficient number, since it is larger than the sum of its proper divisors (345276565723).

10112011101221 is an equidigital number, since it uses as much as digits as its factorization.

10112011101221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596333131.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 10112011101221 its reverse (12210111021101), we get a palindrome (22322122122322).

The spelling of 10112011101221 in words is "ten trillion, one hundred twelve billion, eleven million, one hundred one thousand, two hundred twenty-one".