203101221350040 has 64 divisors (see below), whose sum is σ = 656173176674400. Its totient is φ = 49994146793472.

The previous prime is 203101221350023. The next prime is 203101221350057. The reversal of 203101221350040 is 40053122101302.

It is an interprime number because it is at equal distance from previous prime (203101221350023) and next prime (203101221350057).

It is a super-2 number, since 2×203101221350040² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65096543745 + ... + 65096546864.

Almost surely, 2^{203101221350040} is an apocalyptic number.

203101221350040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203101221350040 is an abundant number, since it is smaller than the sum of its proper divisors (453071955324360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203101221350040 is a wasteful number, since it uses less digits than its factorization.

203101221350040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130193090636 (or 130193090632 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 203101221350040 its reverse (40053122101302), we get a palindrome (243154343451342).

The spelling of 203101221350040 in words is "two hundred three trillion, one hundred one billion, two hundred twenty-one million, three hundred fifty thousand, forty".