103121210020003 has 32 divisors (see below), whose sum is σ = 119738790420480. Its totient is φ = 86987725886880.

The previous prime is 103121210019991. The next prime is 103121210020021. The reversal of 103121210020003 is 300020012121301.

It is not a de Polignac number, because 103121210020003 - 2¹³ = 103121210011811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103121210021003) 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, 115162950 + ... + 116054932.

It is an arithmetic number, because the mean of its divisors is an integer number (3741837200640).

Almost surely, 2^{103121210020003} is an apocalyptic number.

103121210020003 is a deficient number, since it is larger than the sum of its proper divisors (16617580400477).

103121210020003 is a wasteful number, since it uses less digits than its factorization.

103121210020003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893167.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 103121210020003 its reverse (300020012121301), we get a palindrome (403141222141304).

The spelling of 103121210020003 in words is "one hundred three trillion, one hundred twenty-one billion, two hundred ten million, twenty thousand, three".