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2000022012021 = 311178933877433
BaseRepresentation
bin11101000110101010100…
…110100000000001110101
321002012101222021011210010
4131012222212200001311
5230232021113341041
64130444124450433
7264332260414035
oct35065246400165
97065358234703
102000022012021
11701228315840
1228374b3a9a19
131167a7ca0537
146cb3177d8c5
1537059dc9a16
hex1d1aa9a0075

2000022012021 has 16 divisors (see below), whose sum is σ = 2910749129280. Its totient is φ = 1211456968320.

The previous prime is 2000022012019. The next prime is 2000022012031. The reversal of 2000022012021 is 1202102200002.

It is not a de Polignac number, because 2000022012021 - 21 = 2000022012019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2000022011988 and 2000022012006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000022012031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16879680 + ... + 16997753.

It is an arithmetic number, because the mean of its divisors is an integer number (181921820580).

Almost surely, 22000022012021 is an apocalyptic number.

It is an amenable number.

2000022012021 is a deficient number, since it is larger than the sum of its proper divisors (910727117259).

2000022012021 is a wasteful number, since it uses less digits than its factorization.

2000022012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33879236.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2000022012021 its reverse (1202102200002), we get a palindrome (3202124212023).

The spelling of 2000022012021 in words is "two trillion, twenty-two million, twelve thousand, twenty-one".

Divisors: 1 3 11 33 1789 5367 19679 59037 33877433 101632299 372651763 1117955289 60606727637 181820182911 666674004007 2000022012021