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201000202012021 = 1092397715642471
BaseRepresentation
bin101101101100111100000001…
…101001000000010101110101
3222100200102122200011202110011
4231230330001221000111311
5202321141403203341041
61551254115033500221
760223533245201056
oct5554740151002565
9870612580152404
10201000202012021
1159054785a75925
121a663228b71671
138820312367759
14378c666c1472d
15183872340ae81
hexb6cf01a40575

201000202012021 has 8 divisors (see below), whose sum is σ = 203692961260800. Its totient is φ = 198322874048880.

The previous prime is 201000202012013. The next prime is 201000202012069. The reversal of 201000202012021 is 120210202000102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201000202012021 - 23 = 201000202012013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201000202011992 and 201000202012010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201000202012721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3857795185 + ... + 3857847286.

It is an arithmetic number, because the mean of its divisors is an integer number (25461620157600).

Almost surely, 2201000202012021 is an apocalyptic number.

It is an amenable number.

201000202012021 is a deficient number, since it is larger than the sum of its proper divisors (2692759248779).

201000202012021 is a wasteful number, since it uses less digits than its factorization.

201000202012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7715642819.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 201000202012021 its reverse (120210202000102), we get a palindrome (321210404012123).

The spelling of 201000202012021 in words is "two hundred one trillion, two hundred two million, twelve thousand, twenty-one".

Divisors: 1 109 239 26051 7715642471 841005029339 1844038550569 201000202012021