10121000011211 has 4 divisors (see below), whose sum is σ = 10121555792424. Its totient is φ = 10120444230000.

The previous prime is 10121000011207. The next prime is 10121000011379. The reversal of 10121000011211 is 11211000012101.

10121000011211 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 10121000011211 - 2² = 10121000011207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10121000011192 and 10121000011201.

It is not an unprimeable number, because it can be changed into a prime (10121000011201) 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, 277863290 + ... + 277899711.

It is an arithmetic number, because the mean of its divisors is an integer number (2530388948106).

Almost surely, 2^{10121000011211} is an apocalyptic number.

10121000011211 is a deficient number, since it is larger than the sum of its proper divisors (555781213).

10121000011211 is an equidigital number, since it uses as much as digits as its factorization.

10121000011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555781212.

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

Adding to 10121000011211 its reverse (11211000012101), we get a palindrome (21332000023312).

The spelling of 10121000011211 in words is "ten trillion, one hundred twenty-one billion, eleven thousand, two hundred eleven".