100103011211 has 4 divisors (see below), whose sum is σ = 114403441392. Its totient is φ = 85802581032.

The previous prime is 100103011201. The next prime is 100103011303. The reversal of 100103011211 is 112110301001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112110301001 = 87991 ⋅1274111.

It is not a de Polignac number, because 100103011211 - 2¹⁸ = 100102749067 is a prime.

It is a super-2 number, since 2×100103011211² (a number of 23 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 = 100103011192 and 100103011201.

It is not an unprimeable number, because it can be changed into a prime (100103011201) 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, 7150215080 + ... + 7150215093.

It is an arithmetic number, because the mean of its divisors is an integer number (28600860348).

Almost surely, 2^100103011211 is an apocalyptic number.

100103011211 is a deficient number, since it is larger than the sum of its proper divisors (14300430181).

100103011211 is an equidigital number, since it uses as much as digits as its factorization.

100103011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14300430180.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 100103011211 its reverse (112110301001), we get a palindrome (212213312212).

The spelling of 100103011211 in words is "one hundred billion, one hundred three million, eleven thousand, two hundred eleven".