203121144102332 has 24 divisors (see below), whose sum is σ = 355526659737312. Its totient is φ = 101542099276800.

The previous prime is 203121144102287. The next prime is 203121144102341. The reversal of 203121144102332 is 233201441121302.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 203121144102295 and 203121144102304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1450059857 + ... + 1450199927.

It is an arithmetic number, because the mean of its divisors is an integer number (14813610822388).

Almost surely, 2^{203121144102332} is an apocalyptic number.

It is an amenable number.

203121144102332 is a deficient number, since it is larger than the sum of its proper divisors (152405515634980).

203121144102332 is a wasteful number, since it uses less digits than its factorization.

203121144102332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203429 (or 203427 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 203121144102332 its reverse (233201441121302), we get a palindrome (436322585223634).

The spelling of 203121144102332 in words is "two hundred three trillion, one hundred twenty-one billion, one hundred forty-four million, one hundred two thousand, three hundred thirty-two".