10211020103111 has 4 divisors (see below), whose sum is σ = 10211139174912. Its totient is φ = 10210901031312.

The previous prime is 10211020103027. The next prime is 10211020103113. The reversal of 10211020103111 is 11130102011201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10211020103111 is a prime.

It is a super-2 number, since 2×10211020103111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211020103113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59407175 + ... + 59578808.

It is an arithmetic number, because the mean of its divisors is an integer number (2552784793728).

Almost surely, 2^{10211020103111} is an apocalyptic number.

10211020103111 is a deficient number, since it is larger than the sum of its proper divisors (119071801).

10211020103111 is an equidigital number, since it uses as much as digits as its factorization.

10211020103111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119071800.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 10211020103111 its reverse (11130102011201), we get a palindrome (21341122114312).

The spelling of 10211020103111 in words is "ten trillion, two hundred eleven billion, twenty million, one hundred three thousand, one hundred eleven".