103011012323221 has 4 divisors (see below), whose sum is σ = 107489751989472. Its totient is φ = 98532272656972.

The previous prime is 103011012323209. The next prime is 103011012323231. The reversal of 103011012323221 is 122323210110301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 103011012323221 - 2¹⁵ = 103011012290453 is a prime.

It is a super-2 number, since 2×103011012323221² (a number of 29 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 = 103011012323192 and 103011012323201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103011012323231) 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, 2239369833091 + ... + 2239369833136.

It is an arithmetic number, because the mean of its divisors is an integer number (26872437997368).

Almost surely, 2^{103011012323221} is an apocalyptic number.

It is an amenable number.

103011012323221 is a deficient number, since it is larger than the sum of its proper divisors (4478739666251).

103011012323221 is an equidigital number, since it uses as much as digits as its factorization.

103011012323221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4478739666250.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 103011012323221 its reverse (122323210110301), we get a palindrome (225334222433522).

The spelling of 103011012323221 in words is "one hundred three trillion, eleven billion, twelve million, three hundred twenty-three thousand, two hundred twenty-one".