103011321122221 has 32 divisors (see below), whose sum is σ = 107005876070400. Its totient is φ = 99103693328640.

The previous prime is 103011321122219. The next prime is 103011321122231. The reversal of 103011321122221 is 122221123110301.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 103011321122221 - 2¹ = 103011321122219 is a prime.

It is a super-2 number, since 2×103011321122221² (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 = 103011321122192 and 103011321122201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103011321122231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1451216551 + ... + 1451287531.

It is an arithmetic number, because the mean of its divisors is an integer number (3343933627200).

Almost surely, 2^{103011321122221} is an apocalyptic number.

It is an amenable number.

103011321122221 is a deficient number, since it is larger than the sum of its proper divisors (3994554948179).

103011321122221 is a wasteful number, since it uses less digits than its factorization.

103011321122221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72829.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 103011321122221 its reverse (122221123110301), we get a palindrome (225232444232522).

The spelling of 103011321122221 in words is "one hundred three trillion, eleven billion, three hundred twenty-one million, one hundred twenty-two thousand, two hundred twenty-one".