10120111020211 has 4 divisors (see below), whose sum is σ = 10122514280424. Its totient is φ = 10117707760000.

The previous prime is 10120111020209. The next prime is 10120111020277. The reversal of 10120111020211 is 11202011102101.

It is a happy number.

10120111020211 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 10120111020211 - 2¹ = 10120111020209 is a prime.

It is a super-2 number, since 2×10120111020211² (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 = 10120111020191 and 10120111020200.

It is not an unprimeable number, because it can be changed into a prime (10120111090211) 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, 1201623790 + ... + 1201632211.

It is an arithmetic number, because the mean of its divisors is an integer number (2530628570106).

Almost surely, 2^{10120111020211} is an apocalyptic number.

10120111020211 is a deficient number, since it is larger than the sum of its proper divisors (2403260213).

10120111020211 is an equidigital number, since it uses as much as digits as its factorization.

10120111020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2403260212.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10120111020211 its reverse (11202011102101), we get a palindrome (21322122122312).

The spelling of 10120111020211 in words is "ten trillion, one hundred twenty billion, one hundred eleven million, twenty thousand, two hundred eleven".