103421111255 has 64 divisors (see below), whose sum is σ = 157466889216. Its totient is φ = 63338112000.

The previous prime is 103421111251. The next prime is 103421111263. The reversal of 103421111255 is 552111124301.

It is not a de Polignac number, because 103421111255 - 2² = 103421111251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103421111251) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5774915 + ... + 5792795.

It is an arithmetic number, because the mean of its divisors is an integer number (2460420144).

Almost surely, 2^103421111255 is an apocalyptic number.

103421111255 is a deficient number, since it is larger than the sum of its proper divisors (54045777961).

103421111255 is a wasteful number, since it uses less digits than its factorization.

103421111255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18168.

The product of its (nonzero) digits is 1200, while the sum is 26.

Adding to 103421111255 its reverse (552111124301), we get a palindrome (655532235556).

The spelling of 103421111255 in words is "one hundred three billion, four hundred twenty-one million, one hundred eleven thousand, two hundred fifty-five".