10120210201111 has 4 divisors (see below), whose sum is σ = 10120265241552. Its totient is φ = 10120155160672.

The previous prime is 10120210201019. The next prime is 10120210201237. The reversal of 10120210201111 is 11110201202101.

It is a happy number.

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 10120210201111 - 2³¹ = 10118062717463 is a prime.

It is a super-2 number, since 2×10120210201111² (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 = 10120210201091 and 10120210201100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120210201411) 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, 27243490 + ... + 27612463.

It is an arithmetic number, because the mean of its divisors is an integer number (2530066310388).

Almost surely, 2^{10120210201111} is an apocalyptic number.

10120210201111 is a deficient number, since it is larger than the sum of its proper divisors (55040441).

10120210201111 is an equidigital number, since it uses as much as digits as its factorization.

10120210201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55040440.

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

Adding to 10120210201111 its reverse (11110201202101), we get a palindrome (21230411403212).

The spelling of 10120210201111 in words is "ten trillion, one hundred twenty billion, two hundred ten million, two hundred one thousand, one hundred eleven".