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2200210102021 = 21539910214579
BaseRepresentation
bin100000000001000110101…
…111011101011100000101
321210100010102110211020211
4200001012233131130011
5242022012241231041
64402432414155421
7314650154202301
oct40010657353405
97710112424224
102200210102021
11779116274818
122b64b9ab2b71
1312c62c266969
14786c2822d01
153c374b04481
hex20046bdd705

2200210102021 has 4 divisors (see below), whose sum is σ = 2200220532000. Its totient is φ = 2200199672044.

The previous prime is 2200210102019. The next prime is 2200210102037. The reversal of 2200210102021 is 1202010120022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2200210102021 - 21 = 2200210102019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2200210101992 and 2200210102010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200210102121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4891891 + ... + 5322688.

It is an arithmetic number, because the mean of its divisors is an integer number (550055133000).

Almost surely, 22200210102021 is an apocalyptic number.

It is an amenable number.

2200210102021 is a deficient number, since it is larger than the sum of its proper divisors (10429979).

2200210102021 is a wasteful number, since it uses less digits than its factorization.

2200210102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10429978.

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

Adding to 2200210102021 its reverse (1202010120022), we get a palindrome (3402220222043).

The spelling of 2200210102021 in words is "two trillion, two hundred billion, two hundred ten million, one hundred two thousand, twenty-one".

Divisors: 1 215399 10214579 2200210102021