10011121011211 has 4 divisors (see below), whose sum is σ = 10011419110152. Its totient is φ = 10010822912272.

The previous prime is 10011121011209. The next prime is 10011121011223. The reversal of 10011121011211 is 11211012111001.

10011121011211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10011121011211 - 2¹ = 10011121011209 is a prime.

It is a super-2 number, since 2×10011121011211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10011121011191 and 10011121011200.

It is not an unprimeable number, because it can be changed into a prime (10011121011011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148999090 + ... + 149066263.

It is an arithmetic number, because the mean of its divisors is an integer number (2502854777538).

Almost surely, 2^{10011121011211} is an apocalyptic number.

10011121011211 is a deficient number, since it is larger than the sum of its proper divisors (298098941).

10011121011211 is an equidigital number, since it uses as much as digits as its factorization.

10011121011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298098940.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 10011121011211 its reverse (11211012111001), we get a palindrome (21222133122212).

The spelling of 10011121011211 in words is "ten trillion, eleven billion, one hundred twenty-one million, eleven thousand, two hundred eleven".